Home / 725,408.56-1,000,753.24-453,003.60

Finding the Fourth Proportional to 725,408.56, 1,000,753.24 and 453,003.60

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Solution

The fourth proportional to 725,408.56, 1,000,753.24 and 453,003.60 is: 624,951.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,408.56 : 1,000,753.24 = 453,003.60 : x
  2. Step 2: Convert to fraction form
    725,408.56/1,000,753.24 = 453,003.60/x
  3. Step 3: Cross multiply
    725,408.56x = 1,000,753.24 × 453,003.60
  4. Step 4: Simplify right side
    725,408.56x = 453,344,820,431.66
  5. Step 5: Solve for x
    x = 453,344,820,431.66/725,408.56
  6. Step 6: Final answer
    x = 624,951.02

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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.