Home / 729,408.70-1,094,254.86-280,096.55

Finding the Fourth Proportional to 729,408.70, 1,094,254.86 and 280,096.55

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Solution

The fourth proportional to 729,408.70, 1,094,254.86 and 280,096.55 is: 420,199.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,408.70 : 1,094,254.86 = 280,096.55 : x
  2. Step 2: Convert to fraction form
    729,408.70/1,094,254.86 = 280,096.55/x
  3. Step 3: Cross multiply
    729,408.70x = 1,094,254.86 × 280,096.55
  4. Step 4: Simplify right side
    729,408.70x = 306,497,005,635.46
  5. Step 5: Solve for x
    x = 306,497,005,635.46/729,408.70
  6. Step 6: Final answer
    x = 420,199.28

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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.