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Finding the Fourth Proportional to 517,042.52, 776,290.38 and 264,504.15

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Solution

The fourth proportional to 517,042.52, 776,290.38 and 264,504.15 is: 397,127.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,042.52 : 776,290.38 = 264,504.15 : x
  2. Step 2: Convert to fraction form
    517,042.52/776,290.38 = 264,504.15/x
  3. Step 3: Cross multiply
    517,042.52x = 776,290.38 × 264,504.15
  4. Step 4: Simplify right side
    517,042.52x = 205,332,027,115.08
  5. Step 5: Solve for x
    x = 205,332,027,115.08/517,042.52
  6. Step 6: Final answer
    x = 397,127.93

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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.