Home / 676,503.76-932,931.18-404,528.44

Finding the Fourth Proportional to 676,503.76, 932,931.18 and 404,528.44

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Solution

The fourth proportional to 676,503.76, 932,931.18 and 404,528.44 is: 557,864.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,503.76 : 932,931.18 = 404,528.44 : x
  2. Step 2: Convert to fraction form
    676,503.76/932,931.18 = 404,528.44/x
  3. Step 3: Cross multiply
    676,503.76x = 932,931.18 × 404,528.44
  4. Step 4: Simplify right side
    676,503.76x = 377,397,194,872.76
  5. Step 5: Solve for x
    x = 377,397,194,872.76/676,503.76
  6. Step 6: Final answer
    x = 557,864.15

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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.