Home / 800,354.28-1,199,998.13-440,694.50

Finding the Fourth Proportional to 800,354.28, 1,199,998.13 and 440,694.50

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Solution

The fourth proportional to 800,354.28, 1,199,998.13 and 440,694.50 is: 660,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,354.28 : 1,199,998.13 = 440,694.50 : x
  2. Step 2: Convert to fraction form
    800,354.28/1,199,998.13 = 440,694.50/x
  3. Step 3: Cross multiply
    800,354.28x = 1,199,998.13 × 440,694.50
  4. Step 4: Simplify right side
    800,354.28x = 528,832,570,176.73
  5. Step 5: Solve for x
    x = 528,832,570,176.73/800,354.28
  6. Step 6: Final answer
    x = 660,748.10

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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.