Home / 755,338.28-1,042,586.91-493,731.59

Finding the Fourth Proportional to 755,338.28, 1,042,586.91 and 493,731.59

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Solution

The fourth proportional to 755,338.28, 1,042,586.91 and 493,731.59 is: 681,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,338.28 : 1,042,586.91 = 493,731.59 : x
  2. Step 2: Convert to fraction form
    755,338.28/1,042,586.91 = 493,731.59/x
  3. Step 3: Cross multiply
    755,338.28x = 1,042,586.91 × 493,731.59
  4. Step 4: Simplify right side
    755,338.28x = 514,758,087,574.55
  5. Step 5: Solve for x
    x = 514,758,087,574.55/755,338.28
  6. Step 6: Final answer
    x = 681,493.45

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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.