Home / 718,678.52-991,279.08-582,718.20

Finding the Fourth Proportional to 718,678.52, 991,279.08 and 582,718.20

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Solution

The fourth proportional to 718,678.52, 991,279.08 and 582,718.20 is: 803,747.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,678.52 : 991,279.08 = 582,718.20 : x
  2. Step 2: Convert to fraction form
    718,678.52/991,279.08 = 582,718.20/x
  3. Step 3: Cross multiply
    718,678.52x = 991,279.08 × 582,718.20
  4. Step 4: Simplify right side
    718,678.52x = 577,636,361,195.26
  5. Step 5: Solve for x
    x = 577,636,361,195.26/718,678.52
  6. Step 6: Final answer
    x = 803,747.91

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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.