Home / 752,441.48-1,038,399.18-412,921.88

Finding the Fourth Proportional to 752,441.48, 1,038,399.18 and 412,921.88

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Solution

The fourth proportional to 752,441.48, 1,038,399.18 and 412,921.88 is: 569,848.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,441.48 : 1,038,399.18 = 412,921.88 : x
  2. Step 2: Convert to fraction form
    752,441.48/1,038,399.18 = 412,921.88/x
  3. Step 3: Cross multiply
    752,441.48x = 1,038,399.18 × 412,921.88
  4. Step 4: Simplify right side
    752,441.48x = 428,777,741,596.06
  5. Step 5: Solve for x
    x = 428,777,741,596.06/752,441.48
  6. Step 6: Final answer
    x = 569,848.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.