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Finding the Fourth Proportional to 1,062.25, 1,594.01 and 485.17

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Solution

The fourth proportional to 1,062.25, 1,594.01 and 485.17 is: 728.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.25 : 1,594.01 = 485.17 : x
  2. Step 2: Convert to fraction form
    1,062.25/1,594.01 = 485.17/x
  3. Step 3: Cross multiply
    1,062.25x = 1,594.01 × 485.17
  4. Step 4: Simplify right side
    1,062.25x = 773,363.41
  5. Step 5: Solve for x
    x = 773,363.41/1,062.25
  6. Step 6: Final answer
    x = 728.04

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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.