Home / 667,554.65-1,001,393.54-218,277.83

Finding the Fourth Proportional to 667,554.65, 1,001,393.54 and 218,277.83

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Solution

The fourth proportional to 667,554.65, 1,001,393.54 and 218,277.83 is: 327,436.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,554.65 : 1,001,393.54 = 218,277.83 : x
  2. Step 2: Convert to fraction form
    667,554.65/1,001,393.54 = 218,277.83/x
  3. Step 3: Cross multiply
    667,554.65x = 1,001,393.54 × 218,277.83
  4. Step 4: Simplify right side
    667,554.65x = 218,582,002,788.86
  5. Step 5: Solve for x
    x = 218,582,002,788.86/667,554.65
  6. Step 6: Final answer
    x = 327,436.87

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1.5x scale

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.