Home / 897,423.70-1,346,135.55-808,850.20

Finding the Fourth Proportional to 897,423.70, 1,346,135.55 and 808,850.20

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Solution

The fourth proportional to 897,423.70, 1,346,135.55 and 808,850.20 is: 1,213,275.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,423.70 : 1,346,135.55 = 808,850.20 : x
  2. Step 2: Convert to fraction form
    897,423.70/1,346,135.55 = 808,850.20/x
  3. Step 3: Cross multiply
    897,423.70x = 1,346,135.55 × 808,850.20
  4. Step 4: Simplify right side
    897,423.70x = 1,088,822,008,844.61
  5. Step 5: Solve for x
    x = 1,088,822,008,844.61/897,423.70
  6. Step 6: Final answer
    x = 1,213,275.30

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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.