Home / 897,426.20-1,346,139.30-808,852.70

Finding the Fourth Proportional to 897,426.20, 1,346,139.30 and 808,852.70

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Solution

The fourth proportional to 897,426.20, 1,346,139.30 and 808,852.70 is: 1,213,279.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,426.20 : 1,346,139.30 = 808,852.70 : x
  2. Step 2: Convert to fraction form
    897,426.20/1,346,139.30 = 808,852.70/x
  3. Step 3: Cross multiply
    897,426.20x = 1,346,139.30 × 808,852.70
  4. Step 4: Simplify right side
    897,426.20x = 1,088,828,407,381.11
  5. Step 5: Solve for x
    x = 1,088,828,407,381.11/897,426.20
  6. Step 6: Final answer
    x = 1,213,279.05

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Double scale
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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.