Home / 787,201.20-1,179,052.20-647,233.20

Finding the Fourth Proportional to 787,201.20, 1,179,052.20 and 647,233.20

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Solution

The fourth proportional to 787,201.20, 1,179,052.20 and 647,233.20 is: 969,411.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,201.20 : 1,179,052.20 = 647,233.20 : x
  2. Step 2: Convert to fraction form
    787,201.20/1,179,052.20 = 647,233.20/x
  3. Step 3: Cross multiply
    787,201.20x = 1,179,052.20 × 647,233.20
  4. Step 4: Simplify right side
    787,201.20x = 763,121,728,373.04
  5. Step 5: Solve for x
    x = 763,121,728,373.04/787,201.20
  6. Step 6: Final answer
    x = 969,411.29

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1.5x scale

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.