Home / 668,017.33-1,001,928.49-218,755.89

Finding the Fourth Proportional to 668,017.33, 1,001,928.49 and 218,755.89

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Solution

The fourth proportional to 668,017.33, 1,001,928.49 and 218,755.89 is: 328,101.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,017.33 : 1,001,928.49 = 218,755.89 : x
  2. Step 2: Convert to fraction form
    668,017.33/1,001,928.49 = 218,755.89/x
  3. Step 3: Cross multiply
    668,017.33x = 1,001,928.49 × 218,755.89
  4. Step 4: Simplify right side
    668,017.33x = 219,177,757,999.42
  5. Step 5: Solve for x
    x = 219,177,757,999.42/668,017.33
  6. Step 6: Final answer
    x = 328,101.91

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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.