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Finding the Fourth Proportional to 1,034.08, 1,551.12 and 417.35

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Solution

The fourth proportional to 1,034.08, 1,551.12 and 417.35 is: 626.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.08 : 1,551.12 = 417.35 : x
  2. Step 2: Convert to fraction form
    1,034.08/1,551.12 = 417.35/x
  3. Step 3: Cross multiply
    1,034.08x = 1,551.12 × 417.35
  4. Step 4: Simplify right side
    1,034.08x = 647,359.93
  5. Step 5: Solve for x
    x = 647,359.93/1,034.08
  6. Step 6: Final answer
    x = 626.03

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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.