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Finding the Fourth Proportional to 1,034.82, 1,427.89 and 586.66

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Solution

The fourth proportional to 1,034.82, 1,427.89 and 586.66 is: 809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,034.82 : 1,427.89 = 586.66 : x
  2. Step 2: Convert to fraction form
    1,034.82/1,427.89 = 586.66/x
  3. Step 3: Cross multiply
    1,034.82x = 1,427.89 × 586.66
  4. Step 4: Simplify right side
    1,034.82x = 837,684.48
  5. Step 5: Solve for x
    x = 837,684.48/1,034.82
  6. Step 6: Final answer
    x = 809.50

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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.