Home / 629,053.52-868,087.88-342,578.39

Finding the Fourth Proportional to 629,053.52, 868,087.88 and 342,578.39

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Solution

The fourth proportional to 629,053.52, 868,087.88 and 342,578.39 is: 472,754.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,053.52 : 868,087.88 = 342,578.39 : x
  2. Step 2: Convert to fraction form
    629,053.52/868,087.88 = 342,578.39/x
  3. Step 3: Cross multiply
    629,053.52x = 868,087.88 × 342,578.39
  4. Step 4: Simplify right side
    629,053.52x = 297,388,148,308.91
  5. Step 5: Solve for x
    x = 297,388,148,308.91/629,053.52
  6. Step 6: Final answer
    x = 472,754.92

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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.