Home / 897,427.70-1,346,141.55-808,854.20

Finding the Fourth Proportional to 897,427.70, 1,346,141.55 and 808,854.20

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Solution

The fourth proportional to 897,427.70, 1,346,141.55 and 808,854.20 is: 1,213,281.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,427.70 : 1,346,141.55 = 808,854.20 : x
  2. Step 2: Convert to fraction form
    897,427.70/1,346,141.55 = 808,854.20/x
  3. Step 3: Cross multiply
    897,427.70x = 1,346,141.55 × 808,854.20
  4. Step 4: Simplify right side
    897,427.70x = 1,088,832,246,512.01
  5. Step 5: Solve for x
    x = 1,088,832,246,512.01/897,427.70
  6. Step 6: Final answer
    x = 1,213,281.30

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Half scale
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Double scale
Find fourth proportional to 897,428.70, 1,346,143.05 and 808,855.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.