Home / 667,953.40-1,002,051.60-218,549.20

Finding the Fourth Proportional to 667,953.40, 1,002,051.60 and 218,549.20

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Solution

The fourth proportional to 667,953.40, 1,002,051.60 and 218,549.20 is: 327,863.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,953.40 : 1,002,051.60 = 218,549.20 : x
  2. Step 2: Convert to fraction form
    667,953.40/1,002,051.60 = 218,549.20/x
  3. Step 3: Cross multiply
    667,953.40x = 1,002,051.60 × 218,549.20
  4. Step 4: Simplify right side
    667,953.40x = 218,997,575,538.72
  5. Step 5: Solve for x
    x = 218,997,575,538.72/667,953.40
  6. Step 6: Final answer
    x = 327,863.55

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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.