Home / 801,299.54-1,105,793.42-438,723.42

Finding the Fourth Proportional to 801,299.54, 1,105,793.42 and 438,723.42

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Solution

The fourth proportional to 801,299.54, 1,105,793.42 and 438,723.42 is: 605,438.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,299.54 : 1,105,793.42 = 438,723.42 : x
  2. Step 2: Convert to fraction form
    801,299.54/1,105,793.42 = 438,723.42/x
  3. Step 3: Cross multiply
    801,299.54x = 1,105,793.42 × 438,723.42
  4. Step 4: Simplify right side
    801,299.54x = 485,137,468,842.28
  5. Step 5: Solve for x
    x = 485,137,468,842.28/801,299.54
  6. Step 6: Final answer
    x = 605,438.35

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1.5x scale

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.