Home / 440,582.28-660,873.90-120,736.88

Finding the Fourth Proportional to 440,582.28, 660,873.90 and 120,736.88

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Solution

The fourth proportional to 440,582.28, 660,873.90 and 120,736.88 is: 181,105.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,582.28 : 660,873.90 = 120,736.88 : x
  2. Step 2: Convert to fraction form
    440,582.28/660,873.90 = 120,736.88/x
  3. Step 3: Cross multiply
    440,582.28x = 660,873.90 × 120,736.88
  4. Step 4: Simplify right side
    440,582.28x = 79,791,852,759.43
  5. Step 5: Solve for x
    x = 79,791,852,759.43/440,582.28
  6. Step 6: Final answer
    x = 181,105.45

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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.