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Finding the Fourth Proportional to 616,704.68, 925,042.62 and 284,280.68

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Solution

The fourth proportional to 616,704.68, 925,042.62 and 284,280.68 is: 426,414.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,704.68 : 925,042.62 = 284,280.68 : x
  2. Step 2: Convert to fraction form
    616,704.68/925,042.62 = 284,280.68/x
  3. Step 3: Cross multiply
    616,704.68x = 925,042.62 × 284,280.68
  4. Step 4: Simplify right side
    616,704.68x = 262,971,745,042.58
  5. Step 5: Solve for x
    x = 262,971,745,042.58/616,704.68
  6. Step 6: Final answer
    x = 426,414.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.