Home / 971,738.28-1,340,995.32-542,018.04

Finding the Fourth Proportional to 971,738.28, 1,340,995.32 and 542,018.04

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Solution

The fourth proportional to 971,738.28, 1,340,995.32 and 542,018.04 is: 747,982.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,738.28 : 1,340,995.32 = 542,018.04 : x
  2. Step 2: Convert to fraction form
    971,738.28/1,340,995.32 = 542,018.04/x
  3. Step 3: Cross multiply
    971,738.28x = 1,340,995.32 × 542,018.04
  4. Step 4: Simplify right side
    971,738.28x = 726,843,654,995.57
  5. Step 5: Solve for x
    x = 726,843,654,995.57/971,738.28
  6. Step 6: Final answer
    x = 747,982.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.