Home / 676,959.47-1,013,825.07-392,048.04

Finding the Fourth Proportional to 676,959.47, 1,013,825.07 and 392,048.04

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Solution

The fourth proportional to 676,959.47, 1,013,825.07 and 392,048.04 is: 587,137.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,959.47 : 1,013,825.07 = 392,048.04 : x
  2. Step 2: Convert to fraction form
    676,959.47/1,013,825.07 = 392,048.04/x
  3. Step 3: Cross multiply
    676,959.47x = 1,013,825.07 × 392,048.04
  4. Step 4: Simplify right side
    676,959.47x = 397,468,135,601.11
  5. Step 5: Solve for x
    x = 397,468,135,601.11/676,959.47
  6. Step 6: Final answer
    x = 587,137.27

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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.