Home / 762,469.89-1,052,227.92-418,320.54

Finding the Fourth Proportional to 762,469.89, 1,052,227.92 and 418,320.54

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Solution

The fourth proportional to 762,469.89, 1,052,227.92 and 418,320.54 is: 577,293.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,469.89 : 1,052,227.92 = 418,320.54 : x
  2. Step 2: Convert to fraction form
    762,469.89/1,052,227.92 = 418,320.54/x
  3. Step 3: Cross multiply
    762,469.89x = 1,052,227.92 × 418,320.54
  4. Step 4: Simplify right side
    762,469.89x = 440,168,551,697.48
  5. Step 5: Solve for x
    x = 440,168,551,697.48/762,469.89
  6. Step 6: Final answer
    x = 577,293.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.