Home / 688,717.44-1,032,998.40-239,362.56

Finding the Fourth Proportional to 688,717.44, 1,032,998.40 and 239,362.56

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Solution

The fourth proportional to 688,717.44, 1,032,998.40 and 239,362.56 is: 359,016.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,717.44 : 1,032,998.40 = 239,362.56 : x
  2. Step 2: Convert to fraction form
    688,717.44/1,032,998.40 = 239,362.56/x
  3. Step 3: Cross multiply
    688,717.44x = 1,032,998.40 × 239,362.56
  4. Step 4: Simplify right side
    688,717.44x = 247,261,141,499.90
  5. Step 5: Solve for x
    x = 247,261,141,499.90/688,717.44
  6. Step 6: Final answer
    x = 359,016.81

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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.