Home / 582,050.43-802,542.60-398,377.58

Finding the Fourth Proportional to 582,050.43, 802,542.60 and 398,377.58

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Solution

The fourth proportional to 582,050.43, 802,542.60 and 398,377.58 is: 549,290.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,050.43 : 802,542.60 = 398,377.58 : x
  2. Step 2: Convert to fraction form
    582,050.43/802,542.60 = 398,377.58/x
  3. Step 3: Cross multiply
    582,050.43x = 802,542.60 × 398,377.58
  4. Step 4: Simplify right side
    582,050.43x = 319,714,974,822.20
  5. Step 5: Solve for x
    x = 319,714,974,822.20/582,050.43
  6. Step 6: Final answer
    x = 549,290.85

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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.