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Finding the Fourth Proportional to 1,037.48, 1,553.56 and 574.74

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Solution

The fourth proportional to 1,037.48, 1,553.56 and 574.74 is: 860.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,037.48 : 1,553.56 = 574.74 : x
  2. Step 2: Convert to fraction form
    1,037.48/1,553.56 = 574.74/x
  3. Step 3: Cross multiply
    1,037.48x = 1,553.56 × 574.74
  4. Step 4: Simplify right side
    1,037.48x = 892,893.07
  5. Step 5: Solve for x
    x = 892,893.07/1,037.48
  6. Step 6: Final answer
    x = 860.64

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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.