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Finding the Fourth Proportional to 617,963.52, 852,618.24 and 349,685.76

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Solution

The fourth proportional to 617,963.52, 852,618.24 and 349,685.76 is: 482,469.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,963.52 : 852,618.24 = 349,685.76 : x
  2. Step 2: Convert to fraction form
    617,963.52/852,618.24 = 349,685.76/x
  3. Step 3: Cross multiply
    617,963.52x = 852,618.24 × 349,685.76
  4. Step 4: Simplify right side
    617,963.52x = 298,148,457,244.26
  5. Step 5: Solve for x
    x = 298,148,457,244.26/617,963.52
  6. Step 6: Final answer
    x = 482,469.35

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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.