Home / 729,466.93-1,006,832.33-427,758.13

Finding the Fourth Proportional to 729,466.93, 1,006,832.33 and 427,758.13

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Solution

The fourth proportional to 729,466.93, 1,006,832.33 and 427,758.13 is: 590,404.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,466.93 : 1,006,832.33 = 427,758.13 : x
  2. Step 2: Convert to fraction form
    729,466.93/1,006,832.33 = 427,758.13/x
  3. Step 3: Cross multiply
    729,466.93x = 1,006,832.33 × 427,758.13
  4. Step 4: Simplify right side
    729,466.93x = 430,680,712,565.55
  5. Step 5: Solve for x
    x = 430,680,712,565.55/729,466.93
  6. Step 6: Final answer
    x = 590,404.71

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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.