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Finding the Fourth Proportional to 1,073.44, 1,480.89 and 653.62

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Solution

The fourth proportional to 1,073.44, 1,480.89 and 653.62 is: 901.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073.44 : 1,480.89 = 653.62 : x
  2. Step 2: Convert to fraction form
    1,073.44/1,480.89 = 653.62/x
  3. Step 3: Cross multiply
    1,073.44x = 1,480.89 × 653.62
  4. Step 4: Simplify right side
    1,073.44x = 967,939.32
  5. Step 5: Solve for x
    x = 967,939.32/1,073.44
  6. Step 6: Final answer
    x = 901.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.