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Finding the Fourth Proportional to 652,240.55, 978,427.82 and 225,775.71

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Solution

The fourth proportional to 652,240.55, 978,427.82 and 225,775.71 is: 338,686.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,240.55 : 978,427.82 = 225,775.71 : x
  2. Step 2: Convert to fraction form
    652,240.55/978,427.82 = 225,775.71/x
  3. Step 3: Cross multiply
    652,240.55x = 978,427.82 × 225,775.71
  4. Step 4: Simplify right side
    652,240.55x = 220,905,236,308.69
  5. Step 5: Solve for x
    x = 220,905,236,308.69/652,240.55
  6. Step 6: Final answer
    x = 338,686.76

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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.