Home / 751,219.65-1,126,831.50-218,753.73

Finding the Fourth Proportional to 751,219.65, 1,126,831.50 and 218,753.73

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Solution

The fourth proportional to 751,219.65, 1,126,831.50 and 218,753.73 is: 328,131.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,219.65 : 1,126,831.50 = 218,753.73 : x
  2. Step 2: Convert to fraction form
    751,219.65/1,126,831.50 = 218,753.73/x
  3. Step 3: Cross multiply
    751,219.65x = 1,126,831.50 × 218,753.73
  4. Step 4: Simplify right side
    751,219.65x = 246,498,593,706.50
  5. Step 5: Solve for x
    x = 246,498,593,706.50/751,219.65
  6. Step 6: Final answer
    x = 328,131.18

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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.