Home / 632,318.06-872,545.94-356,660.69

Finding the Fourth Proportional to 632,318.06, 872,545.94 and 356,660.69

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Solution

The fourth proportional to 632,318.06, 872,545.94 and 356,660.69 is: 492,161.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,318.06 : 872,545.94 = 356,660.69 : x
  2. Step 2: Convert to fraction form
    632,318.06/872,545.94 = 356,660.69/x
  3. Step 3: Cross multiply
    632,318.06x = 872,545.94 × 356,660.69
  4. Step 4: Simplify right side
    632,318.06x = 311,202,833,546.02
  5. Step 5: Solve for x
    x = 311,202,833,546.02/632,318.06
  6. Step 6: Final answer
    x = 492,161.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.