Home / 764,893.53-1,055,508.17-442,580.76

Finding the Fourth Proportional to 764,893.53, 1,055,508.17 and 442,580.76

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Solution

The fourth proportional to 764,893.53, 1,055,508.17 and 442,580.76 is: 610,735.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,893.53 : 1,055,508.17 = 442,580.76 : x
  2. Step 2: Convert to fraction form
    764,893.53/1,055,508.17 = 442,580.76/x
  3. Step 3: Cross multiply
    764,893.53x = 1,055,508.17 × 442,580.76
  4. Step 4: Simplify right side
    764,893.53x = 467,147,605,851.91
  5. Step 5: Solve for x
    x = 467,147,605,851.91/764,893.53
  6. Step 6: Final answer
    x = 610,735.47

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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.