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Finding the Fourth Proportional to 615,695.24, 849,650.46 and 343,766.90

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Solution

The fourth proportional to 615,695.24, 849,650.46 and 343,766.90 is: 474,393.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,695.24 : 849,650.46 = 343,766.90 : x
  2. Step 2: Convert to fraction form
    615,695.24/849,650.46 = 343,766.90/x
  3. Step 3: Cross multiply
    615,695.24x = 849,650.46 × 343,766.90
  4. Step 4: Simplify right side
    615,695.24x = 292,081,700,469.52
  5. Step 5: Solve for x
    x = 292,081,700,469.52/615,695.24
  6. Step 6: Final answer
    x = 474,393.31

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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.