Home / 741,446.53-1,023,179.04-419,142.87

Finding the Fourth Proportional to 741,446.53, 1,023,179.04 and 419,142.87

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Solution

The fourth proportional to 741,446.53, 1,023,179.04 and 419,142.87 is: 578,407.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,446.53 : 1,023,179.04 = 419,142.87 : x
  2. Step 2: Convert to fraction form
    741,446.53/1,023,179.04 = 419,142.87/x
  3. Step 3: Cross multiply
    741,446.53x = 1,023,179.04 × 419,142.87
  4. Step 4: Simplify right side
    741,446.53x = 428,858,199,349.45
  5. Step 5: Solve for x
    x = 428,858,199,349.45/741,446.53
  6. Step 6: Final answer
    x = 578,407.46

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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.