Home / 718,820.10-1,078,230.15-220,119.30

Finding the Fourth Proportional to 718,820.10, 1,078,230.15 and 220,119.30

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Solution

The fourth proportional to 718,820.10, 1,078,230.15 and 220,119.30 is: 330,178.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,820.10 : 1,078,230.15 = 220,119.30 : x
  2. Step 2: Convert to fraction form
    718,820.10/1,078,230.15 = 220,119.30/x
  3. Step 3: Cross multiply
    718,820.10x = 1,078,230.15 × 220,119.30
  4. Step 4: Simplify right side
    718,820.10x = 237,339,265,856.90
  5. Step 5: Solve for x
    x = 237,339,265,856.90/718,820.10
  6. Step 6: Final answer
    x = 330,178.95

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Similar ratio
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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.