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Finding the Fourth Proportional to 585,072.90, 878,265.45 and 452,540.70

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Solution

The fourth proportional to 585,072.90, 878,265.45 and 452,540.70 is: 679,318.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,072.90 : 878,265.45 = 452,540.70 : x
  2. Step 2: Convert to fraction form
    585,072.90/878,265.45 = 452,540.70/x
  3. Step 3: Cross multiply
    585,072.90x = 878,265.45 × 452,540.70
  4. Step 4: Simplify right side
    585,072.90x = 397,450,861,528.82
  5. Step 5: Solve for x
    x = 397,450,861,528.82/585,072.90
  6. Step 6: Final answer
    x = 679,318.53

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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.