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Finding the Fourth Proportional to 545,426.82, 752,711.22 and 303,694.08

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Solution

The fourth proportional to 545,426.82, 752,711.22 and 303,694.08 is: 419,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,426.82 : 752,711.22 = 303,694.08 : x
  2. Step 2: Convert to fraction form
    545,426.82/752,711.22 = 303,694.08/x
  3. Step 3: Cross multiply
    545,426.82x = 752,711.22 × 303,694.08
  4. Step 4: Simplify right side
    545,426.82x = 228,593,941,463.58
  5. Step 5: Solve for x
    x = 228,593,941,463.58/545,426.82
  6. Step 6: Final answer
    x = 419,110.20

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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.