Home / 627,839.52-942,037.68-357,957.78

Finding the Fourth Proportional to 627,839.52, 942,037.68 and 357,957.78

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Solution

The fourth proportional to 627,839.52, 942,037.68 and 357,957.78 is: 537,095.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,839.52 : 942,037.68 = 357,957.78 : x
  2. Step 2: Convert to fraction form
    627,839.52/942,037.68 = 357,957.78/x
  3. Step 3: Cross multiply
    627,839.52x = 942,037.68 × 357,957.78
  4. Step 4: Simplify right side
    627,839.52x = 337,209,716,609.15
  5. Step 5: Solve for x
    x = 337,209,716,609.15/627,839.52
  6. Step 6: Final answer
    x = 537,095.40

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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.