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Finding the Fourth Proportional to 615,472.88, 849,381.91 and 347,200.88

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Solution

The fourth proportional to 615,472.88, 849,381.91 and 347,200.88 is: 479,153.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,472.88 : 849,381.91 = 347,200.88 : x
  2. Step 2: Convert to fraction form
    615,472.88/849,381.91 = 347,200.88/x
  3. Step 3: Cross multiply
    615,472.88x = 849,381.91 × 347,200.88
  4. Step 4: Simplify right side
    615,472.88x = 294,906,146,608.08
  5. Step 5: Solve for x
    x = 294,906,146,608.08/615,472.88
  6. Step 6: Final answer
    x = 479,153.76

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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.