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Finding the Fourth Proportional to 479,625.26, 661,887.52 and 264,760.70

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Solution

The fourth proportional to 479,625.26, 661,887.52 and 264,760.70 is: 365,372.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,625.26 : 661,887.52 = 264,760.70 : x
  2. Step 2: Convert to fraction form
    479,625.26/661,887.52 = 264,760.70/x
  3. Step 3: Cross multiply
    479,625.26x = 661,887.52 × 264,760.70
  4. Step 4: Simplify right side
    479,625.26x = 175,241,803,116.46
  5. Step 5: Solve for x
    x = 175,241,803,116.46/479,625.26
  6. Step 6: Final answer
    x = 365,372.34

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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.