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Finding the Fourth Proportional to 1,062.50, 1,594.39 and 454.50

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Solution

The fourth proportional to 1,062.50, 1,594.39 and 454.50 is: 682.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062.50 : 1,594.39 = 454.50 : x
  2. Step 2: Convert to fraction form
    1,062.50/1,594.39 = 454.50/x
  3. Step 3: Cross multiply
    1,062.50x = 1,594.39 × 454.50
  4. Step 4: Simplify right side
    1,062.50x = 724,650.26
  5. Step 5: Solve for x
    x = 724,650.26/1,062.50
  6. Step 6: Final answer
    x = 682.02

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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.