Home / 787,442.13-1,087,006.02-529,468.60

Finding the Fourth Proportional to 787,442.13, 1,087,006.02 and 529,468.60

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Solution

The fourth proportional to 787,442.13, 1,087,006.02 and 529,468.60 is: 730,892.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,442.13 : 1,087,006.02 = 529,468.60 : x
  2. Step 2: Convert to fraction form
    787,442.13/1,087,006.02 = 529,468.60/x
  3. Step 3: Cross multiply
    787,442.13x = 1,087,006.02 × 529,468.60
  4. Step 4: Simplify right side
    787,442.13x = 575,535,555,600.97
  5. Step 5: Solve for x
    x = 575,535,555,600.97/787,442.13
  6. Step 6: Final answer
    x = 730,892.52

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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.