Home / 1,061.28-1,464.44-589.16

Finding the Fourth Proportional to 1,061.28, 1,464.44 and 589.16

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Solution

The fourth proportional to 1,061.28, 1,464.44 and 589.16 is: 812.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,061.28 : 1,464.44 = 589.16 : x
  2. Step 2: Convert to fraction form
    1,061.28/1,464.44 = 589.16/x
  3. Step 3: Cross multiply
    1,061.28x = 1,464.44 × 589.16
  4. Step 4: Simplify right side
    1,061.28x = 862,779.20
  5. Step 5: Solve for x
    x = 862,779.20/1,061.28
  6. Step 6: Final answer
    x = 812.96

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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.