Home / 891,474.85-1,230,231.25-483,576.87

Finding the Fourth Proportional to 891,474.85, 1,230,231.25 and 483,576.87

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Solution

The fourth proportional to 891,474.85, 1,230,231.25 and 483,576.87 is: 667,333.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,474.85 : 1,230,231.25 = 483,576.87 : x
  2. Step 2: Convert to fraction form
    891,474.85/1,230,231.25 = 483,576.87/x
  3. Step 3: Cross multiply
    891,474.85x = 1,230,231.25 × 483,576.87
  4. Step 4: Simplify right side
    891,474.85x = 594,911,368,682.15
  5. Step 5: Solve for x
    x = 594,911,368,682.15/891,474.85
  6. Step 6: Final answer
    x = 667,333.88

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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.