Home / 747,542.50-1,121,274.46-215,042.62

Finding the Fourth Proportional to 747,542.50, 1,121,274.46 and 215,042.62

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Solution

The fourth proportional to 747,542.50, 1,121,274.46 and 215,042.62 is: 322,552.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,542.50 : 1,121,274.46 = 215,042.62 : x
  2. Step 2: Convert to fraction form
    747,542.50/1,121,274.46 = 215,042.62/x
  3. Step 3: Cross multiply
    747,542.50x = 1,121,274.46 × 215,042.62
  4. Step 4: Simplify right side
    747,542.50x = 241,121,797,617.49
  5. Step 5: Solve for x
    x = 241,121,797,617.49/747,542.50
  6. Step 6: Final answer
    x = 322,552.63

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1.5x scale

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.