Home / 578,858.27-867,823.77-275,099.97

Finding the Fourth Proportional to 578,858.27, 867,823.77 and 275,099.97

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Solution

The fourth proportional to 578,858.27, 867,823.77 and 275,099.97 is: 412,429.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,858.27 : 867,823.77 = 275,099.97 : x
  2. Step 2: Convert to fraction form
    578,858.27/867,823.77 = 275,099.97/x
  3. Step 3: Cross multiply
    578,858.27x = 867,823.77 × 275,099.97
  4. Step 4: Simplify right side
    578,858.27x = 238,738,293,092.29
  5. Step 5: Solve for x
    x = 238,738,293,092.29/578,858.27
  6. Step 6: Final answer
    x = 412,429.61

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1.5x scale

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.