Home / 648,520.56-974,257.07-469,159.22

Finding the Fourth Proportional to 648,520.56, 974,257.07 and 469,159.22

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Solution

The fourth proportional to 648,520.56, 974,257.07 and 469,159.22 is: 704,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,520.56 : 974,257.07 = 469,159.22 : x
  2. Step 2: Convert to fraction form
    648,520.56/974,257.07 = 469,159.22/x
  3. Step 3: Cross multiply
    648,520.56x = 974,257.07 × 469,159.22
  4. Step 4: Simplify right side
    648,520.56x = 457,081,687,040.69
  5. Step 5: Solve for x
    x = 457,081,687,040.69/648,520.56
  6. Step 6: Final answer
    x = 704,806.78

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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.