Home / 702,024.60-1,053,036.90-615,419.40

Finding the Fourth Proportional to 702,024.60, 1,053,036.90 and 615,419.40

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Solution

The fourth proportional to 702,024.60, 1,053,036.90 and 615,419.40 is: 923,129.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,024.60 : 1,053,036.90 = 615,419.40 : x
  2. Step 2: Convert to fraction form
    702,024.60/1,053,036.90 = 615,419.40/x
  3. Step 3: Cross multiply
    702,024.60x = 1,053,036.90 × 615,419.40
  4. Step 4: Simplify right side
    702,024.60x = 648,059,337,175.86
  5. Step 5: Solve for x
    x = 648,059,337,175.86/702,024.60
  6. Step 6: Final answer
    x = 923,129.10

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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.