Home / 712,080.13-1,067,382.07-445,227.86

Finding the Fourth Proportional to 712,080.13, 1,067,382.07 and 445,227.86

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Solution

The fourth proportional to 712,080.13, 1,067,382.07 and 445,227.86 is: 667,380.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,080.13 : 1,067,382.07 = 445,227.86 : x
  2. Step 2: Convert to fraction form
    712,080.13/1,067,382.07 = 445,227.86/x
  3. Step 3: Cross multiply
    712,080.13x = 1,067,382.07 × 445,227.86
  4. Step 4: Simplify right side
    712,080.13x = 475,228,234,828.47
  5. Step 5: Solve for x
    x = 475,228,234,828.47/712,080.13
  6. Step 6: Final answer
    x = 667,380.28

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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.