Home / 692,284.52-955,397.22-390,472.04

Finding the Fourth Proportional to 692,284.52, 955,397.22 and 390,472.04

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Solution

The fourth proportional to 692,284.52, 955,397.22 and 390,472.04 is: 538,876.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,284.52 : 955,397.22 = 390,472.04 : x
  2. Step 2: Convert to fraction form
    692,284.52/955,397.22 = 390,472.04/x
  3. Step 3: Cross multiply
    692,284.52x = 955,397.22 × 390,472.04
  4. Step 4: Simplify right side
    692,284.52x = 373,055,901,503.73
  5. Step 5: Solve for x
    x = 373,055,901,503.73/692,284.52
  6. Step 6: Final answer
    x = 538,876.56

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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.