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Finding the Fourth Proportional to 466,068.27, 698,617.62 and 316,320.78

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Solution

The fourth proportional to 466,068.27, 698,617.62 and 316,320.78 is: 474,152.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,068.27 : 698,617.62 = 316,320.78 : x
  2. Step 2: Convert to fraction form
    466,068.27/698,617.62 = 316,320.78/x
  3. Step 3: Cross multiply
    466,068.27x = 698,617.62 × 316,320.78
  4. Step 4: Simplify right side
    466,068.27x = 220,987,270,480.14
  5. Step 5: Solve for x
    x = 220,987,270,480.14/466,068.27
  6. Step 6: Final answer
    x = 474,152.15

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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.