Home / 721,419.60-995,773.32-466,764.24

Finding the Fourth Proportional to 721,419.60, 995,773.32 and 466,764.24

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Solution

The fourth proportional to 721,419.60, 995,773.32 and 466,764.24 is: 644,273.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,419.60 : 995,773.32 = 466,764.24 : x
  2. Step 2: Convert to fraction form
    721,419.60/995,773.32 = 466,764.24/x
  3. Step 3: Cross multiply
    721,419.60x = 995,773.32 × 466,764.24
  4. Step 4: Simplify right side
    721,419.60x = 464,791,376,922.08
  5. Step 5: Solve for x
    x = 464,791,376,922.08/721,419.60
  6. Step 6: Final answer
    x = 644,273.29

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.