Home / 688,679.30-1,033,204.83-239,425.05

Finding the Fourth Proportional to 688,679.30, 1,033,204.83 and 239,425.05

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Solution

The fourth proportional to 688,679.30, 1,033,204.83 and 239,425.05 is: 359,202.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,679.30 : 1,033,204.83 = 239,425.05 : x
  2. Step 2: Convert to fraction form
    688,679.30/1,033,204.83 = 239,425.05/x
  3. Step 3: Cross multiply
    688,679.30x = 1,033,204.83 × 239,425.05
  4. Step 4: Simplify right side
    688,679.30x = 247,375,118,082.99
  5. Step 5: Solve for x
    x = 247,375,118,082.99/688,679.30
  6. Step 6: Final answer
    x = 359,202.20

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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.