Home / 541,387.98-746,943.66-314,989.74

Finding the Fourth Proportional to 541,387.98, 746,943.66 and 314,989.74

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Solution

The fourth proportional to 541,387.98, 746,943.66 and 314,989.74 is: 434,585.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,387.98 : 746,943.66 = 314,989.74 : x
  2. Step 2: Convert to fraction form
    541,387.98/746,943.66 = 314,989.74/x
  3. Step 3: Cross multiply
    541,387.98x = 746,943.66 × 314,989.74
  4. Step 4: Simplify right side
    541,387.98x = 235,279,589,258.05
  5. Step 5: Solve for x
    x = 235,279,589,258.05/541,387.98
  6. Step 6: Final answer
    x = 434,585.91

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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.