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Finding the Fourth Proportional to 504,649.03, 758,282.09 and 379,468.79

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Solution

The fourth proportional to 504,649.03, 758,282.09 and 379,468.79 is: 570,187.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,649.03 : 758,282.09 = 379,468.79 : x
  2. Step 2: Convert to fraction form
    504,649.03/758,282.09 = 379,468.79/x
  3. Step 3: Cross multiply
    504,649.03x = 758,282.09 × 379,468.79
  4. Step 4: Simplify right side
    504,649.03x = 287,744,387,170.97
  5. Step 5: Solve for x
    x = 287,744,387,170.97/504,649.03
  6. Step 6: Final answer
    x = 570,187.15

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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.