Home / 775,531.28-1,070,233.17-453,511.93

Finding the Fourth Proportional to 775,531.28, 1,070,233.17 and 453,511.93

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Solution

The fourth proportional to 775,531.28, 1,070,233.17 and 453,511.93 is: 625,846.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,531.28 : 1,070,233.17 = 453,511.93 : x
  2. Step 2: Convert to fraction form
    775,531.28/1,070,233.17 = 453,511.93/x
  3. Step 3: Cross multiply
    775,531.28x = 1,070,233.17 × 453,511.93
  4. Step 4: Simplify right side
    775,531.28x = 485,363,510,476.72
  5. Step 5: Solve for x
    x = 485,363,510,476.72/775,531.28
  6. Step 6: Final answer
    x = 625,846.47

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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.