Home / 1,177.31-1,764.83-560.69

Finding the Fourth Proportional to 1,177.31, 1,764.83 and 560.69

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Solution

The fourth proportional to 1,177.31, 1,764.83 and 560.69 is: 840.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.31 : 1,764.83 = 560.69 : x
  2. Step 2: Convert to fraction form
    1,177.31/1,764.83 = 560.69/x
  3. Step 3: Cross multiply
    1,177.31x = 1,764.83 × 560.69
  4. Step 4: Simplify right side
    1,177.31x = 989,510.91
  5. Step 5: Solve for x
    x = 989,510.91/1,177.31
  6. Step 6: Final answer
    x = 840.49

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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.