Home / 751,251.15-1,126,878.75-218,785.23

Finding the Fourth Proportional to 751,251.15, 1,126,878.75 and 218,785.23

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Solution

The fourth proportional to 751,251.15, 1,126,878.75 and 218,785.23 is: 328,178.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,251.15 : 1,126,878.75 = 218,785.23 : x
  2. Step 2: Convert to fraction form
    751,251.15/1,126,878.75 = 218,785.23/x
  3. Step 3: Cross multiply
    751,251.15x = 1,126,878.75 × 218,785.23
  4. Step 4: Simplify right side
    751,251.15x = 246,544,426,500.86
  5. Step 5: Solve for x
    x = 246,544,426,500.86/751,251.15
  6. Step 6: Final answer
    x = 328,178.43

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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.