Home / 767,757.20-1,151,635.66-412,282.22

Finding the Fourth Proportional to 767,757.20, 1,151,635.66 and 412,282.22

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Solution

The fourth proportional to 767,757.20, 1,151,635.66 and 412,282.22 is: 618,423.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,757.20 : 1,151,635.66 = 412,282.22 : x
  2. Step 2: Convert to fraction form
    767,757.20/1,151,635.66 = 412,282.22/x
  3. Step 3: Cross multiply
    767,757.20x = 1,151,635.66 × 412,282.22
  4. Step 4: Simplify right side
    767,757.20x = 474,798,906,535.97
  5. Step 5: Solve for x
    x = 474,798,906,535.97/767,757.20
  6. Step 6: Final answer
    x = 618,423.25

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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.