Home / 485,280.90-727,921.35-463,508.10

Finding the Fourth Proportional to 485,280.90, 727,921.35 and 463,508.10

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Solution

The fourth proportional to 485,280.90, 727,921.35 and 463,508.10 is: 695,262.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,280.90 : 727,921.35 = 463,508.10 : x
  2. Step 2: Convert to fraction form
    485,280.90/727,921.35 = 463,508.10/x
  3. Step 3: Cross multiply
    485,280.90x = 727,921.35 × 463,508.10
  4. Step 4: Simplify right side
    485,280.90x = 337,397,441,887.94
  5. Step 5: Solve for x
    x = 337,397,441,887.94/485,280.90
  6. Step 6: Final answer
    x = 695,262.15

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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.