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Finding the Fourth Proportional to 541,356.74, 747,053.24 and 299,639.78

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Solution

The fourth proportional to 541,356.74, 747,053.24 and 299,639.78 is: 413,492.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,356.74 : 747,053.24 = 299,639.78 : x
  2. Step 2: Convert to fraction form
    541,356.74/747,053.24 = 299,639.78/x
  3. Step 3: Cross multiply
    541,356.74x = 747,053.24 × 299,639.78
  4. Step 4: Simplify right side
    541,356.74x = 223,846,868,481.89
  5. Step 5: Solve for x
    x = 223,846,868,481.89/541,356.74
  6. Step 6: Final answer
    x = 413,492.35

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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.