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Finding the Fourth Proportional to 1,049.52, 1,573.20 and 586.74

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Solution

The fourth proportional to 1,049.52, 1,573.20 and 586.74 is: 879.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049.52 : 1,573.20 = 586.74 : x
  2. Step 2: Convert to fraction form
    1,049.52/1,573.20 = 586.74/x
  3. Step 3: Cross multiply
    1,049.52x = 1,573.20 × 586.74
  4. Step 4: Simplify right side
    1,049.52x = 923,059.37
  5. Step 5: Solve for x
    x = 923,059.37/1,049.52
  6. Step 6: Final answer
    x = 879.51

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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.