Home / 1,026.25-1,539.98-433.24

Finding the Fourth Proportional to 1,026.25, 1,539.98 and 433.24

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Solution

The fourth proportional to 1,026.25, 1,539.98 and 433.24 is: 650.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026.25 : 1,539.98 = 433.24 : x
  2. Step 2: Convert to fraction form
    1,026.25/1,539.98 = 433.24/x
  3. Step 3: Cross multiply
    1,026.25x = 1,539.98 × 433.24
  4. Step 4: Simplify right side
    1,026.25x = 667,176.54
  5. Step 5: Solve for x
    x = 667,176.54/1,026.25
  6. Step 6: Final answer
    x = 650.11

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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.