Home / 1,045.28-1,566.56-496.32

Finding the Fourth Proportional to 1,045.28, 1,566.56 and 496.32

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Solution

The fourth proportional to 1,045.28, 1,566.56 and 496.32 is: 743.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045.28 : 1,566.56 = 496.32 : x
  2. Step 2: Convert to fraction form
    1,045.28/1,566.56 = 496.32/x
  3. Step 3: Cross multiply
    1,045.28x = 1,566.56 × 496.32
  4. Step 4: Simplify right side
    1,045.28x = 777,515.06
  5. Step 5: Solve for x
    x = 777,515.06/1,045.28
  6. Step 6: Final answer
    x = 743.83

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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.