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Finding the Fourth Proportional to 1,046.55, 1,444.19 and 574.44

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Solution

The fourth proportional to 1,046.55, 1,444.19 and 574.44 is: 792.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.55 : 1,444.19 = 574.44 : x
  2. Step 2: Convert to fraction form
    1,046.55/1,444.19 = 574.44/x
  3. Step 3: Cross multiply
    1,046.55x = 1,444.19 × 574.44
  4. Step 4: Simplify right side
    1,046.55x = 829,594.56
  5. Step 5: Solve for x
    x = 829,594.56/1,046.55
  6. Step 6: Final answer
    x = 792.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.