Home / 781,240.36-1,170,648.42-541,821.27

Finding the Fourth Proportional to 781,240.36, 1,170,648.42 and 541,821.27

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Solution

The fourth proportional to 781,240.36, 1,170,648.42 and 541,821.27 is: 811,891.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,240.36 : 1,170,648.42 = 541,821.27 : x
  2. Step 2: Convert to fraction form
    781,240.36/1,170,648.42 = 541,821.27/x
  3. Step 3: Cross multiply
    781,240.36x = 1,170,648.42 × 541,821.27
  4. Step 4: Simplify right side
    781,240.36x = 634,282,207,794.65
  5. Step 5: Solve for x
    x = 634,282,207,794.65/781,240.36
  6. Step 6: Final answer
    x = 811,891.25

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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.