Home / 879,200.70-1,315,301.85-762,171.90

Finding the Fourth Proportional to 879,200.70, 1,315,301.85 and 762,171.90

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Solution

The fourth proportional to 879,200.70, 1,315,301.85 and 762,171.90 is: 1,140,224.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,200.70 : 1,315,301.85 = 762,171.90 : x
  2. Step 2: Convert to fraction form
    879,200.70/1,315,301.85 = 762,171.90/x
  3. Step 3: Cross multiply
    879,200.70x = 1,315,301.85 × 762,171.90
  4. Step 4: Simplify right side
    879,200.70x = 1,002,486,110,088.02
  5. Step 5: Solve for x
    x = 1,002,486,110,088.02/879,200.70
  6. Step 6: Final answer
    x = 1,140,224.42

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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.