Home / 1,114.40-1,672.29-566.98

Finding the Fourth Proportional to 1,114.40, 1,672.29 and 566.98

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Solution

The fourth proportional to 1,114.40, 1,672.29 and 566.98 is: 850.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114.40 : 1,672.29 = 566.98 : x
  2. Step 2: Convert to fraction form
    1,114.40/1,672.29 = 566.98/x
  3. Step 3: Cross multiply
    1,114.40x = 1,672.29 × 566.98
  4. Step 4: Simplify right side
    1,114.40x = 948,150.80
  5. Step 5: Solve for x
    x = 948,150.80/1,114.40
  6. Step 6: Final answer
    x = 850.82

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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.