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Finding the Fourth Proportional to 648,350.48, 894,641.13 and 361,882.64

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Solution

The fourth proportional to 648,350.48, 894,641.13 and 361,882.64 is: 499,351.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,350.48 : 894,641.13 = 361,882.64 : x
  2. Step 2: Convert to fraction form
    648,350.48/894,641.13 = 361,882.64/x
  3. Step 3: Cross multiply
    648,350.48x = 894,641.13 × 361,882.64
  4. Step 4: Simplify right side
    648,350.48x = 323,755,096,213.59
  5. Step 5: Solve for x
    x = 323,755,096,213.59/648,350.48
  6. Step 6: Final answer
    x = 499,351.98

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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.