Home / 1,110.32-1,532.24-612.96

Finding the Fourth Proportional to 1,110.32, 1,532.24 and 612.96

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Solution

The fourth proportional to 1,110.32, 1,532.24 and 612.96 is: 845.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110.32 : 1,532.24 = 612.96 : x
  2. Step 2: Convert to fraction form
    1,110.32/1,532.24 = 612.96/x
  3. Step 3: Cross multiply
    1,110.32x = 1,532.24 × 612.96
  4. Step 4: Simplify right side
    1,110.32x = 939,206.04
  5. Step 5: Solve for x
    x = 939,206.04/1,110.32
  6. Step 6: Final answer
    x = 845.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.