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Finding the Fourth Proportional to 1,027.39, 1,541.01 and 410.92

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Solution

The fourth proportional to 1,027.39, 1,541.01 and 410.92 is: 616.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027.39 : 1,541.01 = 410.92 : x
  2. Step 2: Convert to fraction form
    1,027.39/1,541.01 = 410.92/x
  3. Step 3: Cross multiply
    1,027.39x = 1,541.01 × 410.92
  4. Step 4: Simplify right side
    1,027.39x = 633,231.83
  5. Step 5: Solve for x
    x = 633,231.83/1,027.39
  6. Step 6: Final answer
    x = 616.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.