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Finding the Fourth Proportional to 651,270.87, 975,223.89 and 449,489.79

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Solution

The fourth proportional to 651,270.87, 975,223.89 and 449,489.79 is: 673,073.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,270.87 : 975,223.89 = 449,489.79 : x
  2. Step 2: Convert to fraction form
    651,270.87/975,223.89 = 449,489.79/x
  3. Step 3: Cross multiply
    651,270.87x = 975,223.89 × 449,489.79
  4. Step 4: Simplify right side
    651,270.87x = 438,353,181,519.08
  5. Step 5: Solve for x
    x = 438,353,181,519.08/651,270.87
  6. Step 6: Final answer
    x = 673,073.53

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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.