Home / 971,739.28-1,340,996.70-542,019.04

Finding the Fourth Proportional to 971,739.28, 1,340,996.70 and 542,019.04

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Solution

The fourth proportional to 971,739.28, 1,340,996.70 and 542,019.04 is: 747,984.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,739.28 : 1,340,996.70 = 542,019.04 : x
  2. Step 2: Convert to fraction form
    971,739.28/1,340,996.70 = 542,019.04/x
  3. Step 3: Cross multiply
    971,739.28x = 1,340,996.70 × 542,019.04
  4. Step 4: Simplify right side
    971,739.28x = 726,845,743,977.17
  5. Step 5: Solve for x
    x = 726,845,743,977.17/971,739.28
  6. Step 6: Final answer
    x = 747,984.32

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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.