Home / 609,221.71-913,936.29-305,760.58

Finding the Fourth Proportional to 609,221.71, 913,936.29 and 305,760.58

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Solution

The fourth proportional to 609,221.71, 913,936.29 and 305,760.58 is: 458,692.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,221.71 : 913,936.29 = 305,760.58 : x
  2. Step 2: Convert to fraction form
    609,221.71/913,936.29 = 305,760.58/x
  3. Step 3: Cross multiply
    609,221.71x = 913,936.29 × 305,760.58
  4. Step 4: Simplify right side
    609,221.71x = 279,445,690,113.45
  5. Step 5: Solve for x
    x = 279,445,690,113.45/609,221.71
  6. Step 6: Final answer
    x = 458,692.93

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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.