Home / 1,060.34-1,589.07-547.70

Finding the Fourth Proportional to 1,060.34, 1,589.07 and 547.70

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Solution

The fourth proportional to 1,060.34, 1,589.07 and 547.70 is: 820.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060.34 : 1,589.07 = 547.70 : x
  2. Step 2: Convert to fraction form
    1,060.34/1,589.07 = 547.70/x
  3. Step 3: Cross multiply
    1,060.34x = 1,589.07 × 547.70
  4. Step 4: Simplify right side
    1,060.34x = 870,333.64
  5. Step 5: Solve for x
    x = 870,333.64/1,060.34
  6. Step 6: Final answer
    x = 820.81

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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.