Home / 667,917.28-1,001,837.04-218,931.04

Finding the Fourth Proportional to 667,917.28, 1,001,837.04 and 218,931.04

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Solution

The fourth proportional to 667,917.28, 1,001,837.04 and 218,931.04 is: 328,383.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,917.28 : 1,001,837.04 = 218,931.04 : x
  2. Step 2: Convert to fraction form
    667,917.28/1,001,837.04 = 218,931.04/x
  3. Step 3: Cross multiply
    667,917.28x = 1,001,837.04 × 218,931.04
  4. Step 4: Simplify right side
    667,917.28x = 219,333,225,077.72
  5. Step 5: Solve for x
    x = 219,333,225,077.72/667,917.28
  6. Step 6: Final answer
    x = 328,383.82

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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.