Home / 578,934.52-868,418.79-494,160.12

Finding the Fourth Proportional to 578,934.52, 868,418.79 and 494,160.12

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Solution

The fourth proportional to 578,934.52, 868,418.79 and 494,160.12 is: 741,254.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,934.52 : 868,418.79 = 494,160.12 : x
  2. Step 2: Convert to fraction form
    578,934.52/868,418.79 = 494,160.12/x
  3. Step 3: Cross multiply
    578,934.52x = 868,418.79 × 494,160.12
  4. Step 4: Simplify right side
    578,934.52x = 429,137,933,476.66
  5. Step 5: Solve for x
    x = 429,137,933,476.66/578,934.52
  6. Step 6: Final answer
    x = 741,254.70

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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.