Home / 1,032.20-1,548.23-447.18

Finding the Fourth Proportional to 1,032.20, 1,548.23 and 447.18

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Solution

The fourth proportional to 1,032.20, 1,548.23 and 447.18 is: 670.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,032.20 : 1,548.23 = 447.18 : x
  2. Step 2: Convert to fraction form
    1,032.20/1,548.23 = 447.18/x
  3. Step 3: Cross multiply
    1,032.20x = 1,548.23 × 447.18
  4. Step 4: Simplify right side
    1,032.20x = 692,335.26
  5. Step 5: Solve for x
    x = 692,335.26/1,032.20
  6. Step 6: Final answer
    x = 670.74

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Double scale
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1.5x scale

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.