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Finding the Fourth Proportional to 739.10, 1,014.51 and 654.36

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Solution

The fourth proportional to 739.10, 1,014.51 and 654.36 is: 898.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    739.10 : 1,014.51 = 654.36 : x
  2. Step 2: Convert to fraction form
    739.10/1,014.51 = 654.36/x
  3. Step 3: Cross multiply
    739.10x = 1,014.51 × 654.36
  4. Step 4: Simplify right side
    739.10x = 663,854.76
  5. Step 5: Solve for x
    x = 663,854.76/739.10
  6. Step 6: Final answer
    x = 898.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.