Home / 654,451.17-981,086.27-454,865.55

Finding the Fourth Proportional to 654,451.17, 981,086.27 and 454,865.55

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Solution

The fourth proportional to 654,451.17, 981,086.27 and 454,865.55 is: 681,887.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,451.17 : 981,086.27 = 454,865.55 : x
  2. Step 2: Convert to fraction form
    654,451.17/981,086.27 = 454,865.55/x
  3. Step 3: Cross multiply
    654,451.17x = 981,086.27 × 454,865.55
  4. Step 4: Simplify right side
    654,451.17x = 446,262,343,526.67
  5. Step 5: Solve for x
    x = 446,262,343,526.67/654,451.17
  6. Step 6: Final answer
    x = 681,887.91

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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.