Home / 392,720.03-589,114.14-108,410.79

Finding the Fourth Proportional to 392,720.03, 589,114.14 and 108,410.79

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Solution

The fourth proportional to 392,720.03, 589,114.14 and 108,410.79 is: 162,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,720.03 : 589,114.14 = 108,410.79 : x
  2. Step 2: Convert to fraction form
    392,720.03/589,114.14 = 108,410.79/x
  3. Step 3: Cross multiply
    392,720.03x = 589,114.14 × 108,410.79
  4. Step 4: Simplify right side
    392,720.03x = 63,866,329,317.57
  5. Step 5: Solve for x
    x = 63,866,329,317.57/392,720.03
  6. Step 6: Final answer
    x = 162,625.60

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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.