Home / 801,455.30-1,105,975.10-438,872.92

Finding the Fourth Proportional to 801,455.30, 1,105,975.10 and 438,872.92

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Solution

The fourth proportional to 801,455.30, 1,105,975.10 and 438,872.92 is: 605,626.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,455.30 : 1,105,975.10 = 438,872.92 : x
  2. Step 2: Convert to fraction form
    801,455.30/1,105,975.10 = 438,872.92/x
  3. Step 3: Cross multiply
    801,455.30x = 1,105,975.10 × 438,872.92
  4. Step 4: Simplify right side
    801,455.30x = 485,382,521,584.29
  5. Step 5: Solve for x
    x = 485,382,521,584.29/801,455.30
  6. Step 6: Final answer
    x = 605,626.44

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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.