Home / 812,080.56-1,120,645.92-467,917.14

Finding the Fourth Proportional to 812,080.56, 1,120,645.92 and 467,917.14

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Solution

The fourth proportional to 812,080.56, 1,120,645.92 and 467,917.14 is: 645,711.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,080.56 : 1,120,645.92 = 467,917.14 : x
  2. Step 2: Convert to fraction form
    812,080.56/1,120,645.92 = 467,917.14/x
  3. Step 3: Cross multiply
    812,080.56x = 1,120,645.92 × 467,917.14
  4. Step 4: Simplify right side
    812,080.56x = 524,369,433,839.07
  5. Step 5: Solve for x
    x = 524,369,433,839.07/812,080.56
  6. Step 6: Final answer
    x = 645,711.10

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1.5x scale

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.