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Finding the Fourth Proportional to 585,006.60, 878,546.70 and 452,209.80

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Solution

The fourth proportional to 585,006.60, 878,546.70 and 452,209.80 is: 679,116.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,006.60 : 878,546.70 = 452,209.80 : x
  2. Step 2: Convert to fraction form
    585,006.60/878,546.70 = 452,209.80/x
  3. Step 3: Cross multiply
    585,006.60x = 878,546.70 × 452,209.80
  4. Step 4: Simplify right side
    585,006.60x = 397,287,427,497.66
  5. Step 5: Solve for x
    x = 397,287,427,497.66/585,006.60
  6. Step 6: Final answer
    x = 679,116.15

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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.