Home / 1,086.44-1,499.28-589.08

Finding the Fourth Proportional to 1,086.44, 1,499.28 and 589.08

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Solution

The fourth proportional to 1,086.44, 1,499.28 and 589.08 is: 812.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086.44 : 1,499.28 = 589.08 : x
  2. Step 2: Convert to fraction form
    1,086.44/1,499.28 = 589.08/x
  3. Step 3: Cross multiply
    1,086.44x = 1,499.28 × 589.08
  4. Step 4: Simplify right side
    1,086.44x = 883,195.86
  5. Step 5: Solve for x
    x = 883,195.86/1,086.44
  6. Step 6: Final answer
    x = 812.92

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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.