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Finding the Fourth Proportional to 1,048.06, 1,446.94 and 655.62

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Solution

The fourth proportional to 1,048.06, 1,446.94 and 655.62 is: 905.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048.06 : 1,446.94 = 655.62 : x
  2. Step 2: Convert to fraction form
    1,048.06/1,446.94 = 655.62/x
  3. Step 3: Cross multiply
    1,048.06x = 1,446.94 × 655.62
  4. Step 4: Simplify right side
    1,048.06x = 948,642.80
  5. Step 5: Solve for x
    x = 948,642.80/1,048.06
  6. Step 6: Final answer
    x = 905.14

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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.