Home / 499,252.20-748,878.30-219,316.20

Finding the Fourth Proportional to 499,252.20, 748,878.30 and 219,316.20

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Solution

The fourth proportional to 499,252.20, 748,878.30 and 219,316.20 is: 328,974.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,252.20 : 748,878.30 = 219,316.20 : x
  2. Step 2: Convert to fraction form
    499,252.20/748,878.30 = 219,316.20/x
  3. Step 3: Cross multiply
    499,252.20x = 748,878.30 × 219,316.20
  4. Step 4: Simplify right side
    499,252.20x = 164,241,143,018.46
  5. Step 5: Solve for x
    x = 164,241,143,018.46/499,252.20
  6. Step 6: Final answer
    x = 328,974.30

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Similar ratio
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1.5x scale

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.