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Finding the Fourth Proportional to 676,520.72, 932,954.37 and 404,544.32

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Solution

The fourth proportional to 676,520.72, 932,954.37 and 404,544.32 is: 557,885.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,520.72 : 932,954.37 = 404,544.32 : x
  2. Step 2: Convert to fraction form
    676,520.72/932,954.37 = 404,544.32/x
  3. Step 3: Cross multiply
    676,520.72x = 932,954.37 × 404,544.32
  4. Step 4: Simplify right side
    676,520.72x = 377,421,386,537.91
  5. Step 5: Solve for x
    x = 377,421,386,537.91/676,520.72
  6. Step 6: Final answer
    x = 557,885.93

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1.5x scale

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.