Home / 667,305.80-1,001,055.90-218,047.40

Finding the Fourth Proportional to 667,305.80, 1,001,055.90 and 218,047.40

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Solution

The fourth proportional to 667,305.80, 1,001,055.90 and 218,047.40 is: 327,102.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,305.80 : 1,001,055.90 = 218,047.40 : x
  2. Step 2: Convert to fraction form
    667,305.80/1,001,055.90 = 218,047.40/x
  3. Step 3: Cross multiply
    667,305.80x = 1,001,055.90 × 218,047.40
  4. Step 4: Simplify right side
    667,305.80x = 218,277,636,249.66
  5. Step 5: Solve for x
    x = 218,277,636,249.66/667,305.80
  6. Step 6: Final answer
    x = 327,102.86

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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.