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Finding the Fourth Proportional to 541,380.88, 747,095.28 and 299,663.68

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Solution

The fourth proportional to 541,380.88, 747,095.28 and 299,663.68 is: 413,530.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,380.88 : 747,095.28 = 299,663.68 : x
  2. Step 2: Convert to fraction form
    541,380.88/747,095.28 = 299,663.68/x
  3. Step 3: Cross multiply
    541,380.88x = 747,095.28 × 299,663.68
  4. Step 4: Simplify right side
    541,380.88x = 223,877,320,915.43
  5. Step 5: Solve for x
    x = 223,877,320,915.43/541,380.88
  6. Step 6: Final answer
    x = 413,530.16

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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.