Home / 1,230.24-1,844.87-450.06

Finding the Fourth Proportional to 1,230.24, 1,844.87 and 450.06

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Solution

The fourth proportional to 1,230.24, 1,844.87 and 450.06 is: 674.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230.24 : 1,844.87 = 450.06 : x
  2. Step 2: Convert to fraction form
    1,230.24/1,844.87 = 450.06/x
  3. Step 3: Cross multiply
    1,230.24x = 1,844.87 × 450.06
  4. Step 4: Simplify right side
    1,230.24x = 830,299.94
  5. Step 5: Solve for x
    x = 830,299.94/1,230.24
  6. Step 6: Final answer
    x = 674.91

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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.