Home / 666,753.21-1,000,028.35-217,473.44

Finding the Fourth Proportional to 666,753.21, 1,000,028.35 and 217,473.44

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Solution

The fourth proportional to 666,753.21, 1,000,028.35 and 217,473.44 is: 326,177.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,753.21 : 1,000,028.35 = 217,473.44 : x
  2. Step 2: Convert to fraction form
    666,753.21/1,000,028.35 = 217,473.44/x
  3. Step 3: Cross multiply
    666,753.21x = 1,000,028.35 × 217,473.44
  4. Step 4: Simplify right side
    666,753.21x = 217,479,605,372.02
  5. Step 5: Solve for x
    x = 217,479,605,372.02/666,753.21
  6. Step 6: Final answer
    x = 326,177.07

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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.