Home / 498,575.32-747,864.22-199,080.28

Finding the Fourth Proportional to 498,575.32, 747,864.22 and 199,080.28

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Solution

The fourth proportional to 498,575.32, 747,864.22 and 199,080.28 is: 298,620.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,575.32 : 747,864.22 = 199,080.28 : x
  2. Step 2: Convert to fraction form
    498,575.32/747,864.22 = 199,080.28/x
  3. Step 3: Cross multiply
    498,575.32x = 747,864.22 × 199,080.28
  4. Step 4: Simplify right side
    498,575.32x = 148,885,018,319.58
  5. Step 5: Solve for x
    x = 148,885,018,319.58/498,575.32
  6. Step 6: Final answer
    x = 298,620.92

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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.