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Finding the Fourth Proportional to 424,773.69, 636,803.42 and 284,102.97

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Solution

The fourth proportional to 424,773.69, 636,803.42 and 284,102.97 is: 425,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,773.69 : 636,803.42 = 284,102.97 : x
  2. Step 2: Convert to fraction form
    424,773.69/636,803.42 = 284,102.97/x
  3. Step 3: Cross multiply
    424,773.69x = 636,803.42 × 284,102.97
  4. Step 4: Simplify right side
    424,773.69x = 180,917,741,507.64
  5. Step 5: Solve for x
    x = 180,917,741,507.64/424,773.69
  6. Step 6: Final answer
    x = 425,915.60

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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.