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Finding the Fourth Proportional to 1,064.76, 1,597.94 and 488.04

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Solution

The fourth proportional to 1,064.76, 1,597.94 and 488.04 is: 732.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,064.76 : 1,597.94 = 488.04 : x
  2. Step 2: Convert to fraction form
    1,064.76/1,597.94 = 488.04/x
  3. Step 3: Cross multiply
    1,064.76x = 1,597.94 × 488.04
  4. Step 4: Simplify right side
    1,064.76x = 779,858.64
  5. Step 5: Solve for x
    x = 779,858.64/1,064.76
  6. Step 6: Final answer
    x = 732.43

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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.