Home / 689,344.60-1,034,049.82-216,034.06

Finding the Fourth Proportional to 689,344.60, 1,034,049.82 and 216,034.06

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Solution

The fourth proportional to 689,344.60, 1,034,049.82 and 216,034.06 is: 324,061.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,344.60 : 1,034,049.82 = 216,034.06 : x
  2. Step 2: Convert to fraction form
    689,344.60/1,034,049.82 = 216,034.06/x
  3. Step 3: Cross multiply
    689,344.60x = 1,034,049.82 × 216,034.06
  4. Step 4: Simplify right side
    689,344.60x = 223,389,980,856.87
  5. Step 5: Solve for x
    x = 223,389,980,856.87/689,344.60
  6. Step 6: Final answer
    x = 324,061.41

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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.