Home / 781,539.17-1,172,286.88-249,092.15

Finding the Fourth Proportional to 781,539.17, 1,172,286.88 and 249,092.15

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Solution

The fourth proportional to 781,539.17, 1,172,286.88 and 249,092.15 is: 373,631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,539.17 : 1,172,286.88 = 249,092.15 : x
  2. Step 2: Convert to fraction form
    781,539.17/1,172,286.88 = 249,092.15/x
  3. Step 3: Cross multiply
    781,539.17x = 1,172,286.88 × 249,092.15
  4. Step 4: Simplify right side
    781,539.17x = 292,007,459,355.99
  5. Step 5: Solve for x
    x = 292,007,459,355.99/781,539.17
  6. Step 6: Final answer
    x = 373,631.25

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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.