Home / 479,360.07-661,494.74-275,267.41

Finding the Fourth Proportional to 479,360.07, 661,494.74 and 275,267.41

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Solution

The fourth proportional to 479,360.07, 661,494.74 and 275,267.41 is: 379,856.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,360.07 : 661,494.74 = 275,267.41 : x
  2. Step 2: Convert to fraction form
    479,360.07/661,494.74 = 275,267.41/x
  3. Step 3: Cross multiply
    479,360.07x = 661,494.74 × 275,267.41
  4. Step 4: Simplify right side
    479,360.07x = 182,087,940,778.35
  5. Step 5: Solve for x
    x = 182,087,940,778.35/479,360.07
  6. Step 6: Final answer
    x = 379,856.30

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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.