Home / 752,887.37-1,129,331.01-220,408.40

Finding the Fourth Proportional to 752,887.37, 1,129,331.01 and 220,408.40

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Solution

The fourth proportional to 752,887.37, 1,129,331.01 and 220,408.40 is: 330,612.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,887.37 : 1,129,331.01 = 220,408.40 : x
  2. Step 2: Convert to fraction form
    752,887.37/1,129,331.01 = 220,408.40/x
  3. Step 3: Cross multiply
    752,887.37x = 1,129,331.01 × 220,408.40
  4. Step 4: Simplify right side
    752,887.37x = 248,914,035,337.83
  5. Step 5: Solve for x
    x = 248,914,035,337.83/752,887.37
  6. Step 6: Final answer
    x = 330,612.58

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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.