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Finding the Fourth Proportional to 585,013.47, 876,876.12 and 382,526.07

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Solution

The fourth proportional to 585,013.47, 876,876.12 and 382,526.07 is: 573,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,013.47 : 876,876.12 = 382,526.07 : x
  2. Step 2: Convert to fraction form
    585,013.47/876,876.12 = 382,526.07/x
  3. Step 3: Cross multiply
    585,013.47x = 876,876.12 × 382,526.07
  4. Step 4: Simplify right side
    585,013.47x = 335,427,976,060.45
  5. Step 5: Solve for x
    x = 335,427,976,060.45/585,013.47
  6. Step 6: Final answer
    x = 573,367.95

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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.