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Finding the Fourth Proportional to 651,274.88, 975,229.88 and 449,493.80

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Solution

The fourth proportional to 651,274.88, 975,229.88 and 449,493.80 is: 673,079.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,274.88 : 975,229.88 = 449,493.80 : x
  2. Step 2: Convert to fraction form
    651,274.88/975,229.88 = 449,493.80/x
  3. Step 3: Cross multiply
    651,274.88x = 975,229.88 × 449,493.80
  4. Step 4: Simplify right side
    651,274.88x = 438,359,784,634.74
  5. Step 5: Solve for x
    x = 438,359,784,634.74/651,274.88
  6. Step 6: Final answer
    x = 673,079.52

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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.