Home / 747,744.90-1,121,617.35-481,805.70

Finding the Fourth Proportional to 747,744.90, 1,121,617.35 and 481,805.70

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Solution

The fourth proportional to 747,744.90, 1,121,617.35 and 481,805.70 is: 722,708.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,744.90 : 1,121,617.35 = 481,805.70 : x
  2. Step 2: Convert to fraction form
    747,744.90/1,121,617.35 = 481,805.70/x
  3. Step 3: Cross multiply
    747,744.90x = 1,121,617.35 × 481,805.70
  4. Step 4: Simplify right side
    747,744.90x = 540,401,632,448.90
  5. Step 5: Solve for x
    x = 540,401,632,448.90/747,744.90
  6. Step 6: Final answer
    x = 722,708.55

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Similar ratio
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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.