Home / 838,914.25-1,258,535.85-333,381

Finding the Fourth Proportional to 838,914.25, 1,258,535.85 and 333,381

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Solution

The fourth proportional to 838,914.25, 1,258,535.85 and 333,381 is: 500,136.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,914.25 : 1,258,535.85 = 333,381 : x
  2. Step 2: Convert to fraction form
    838,914.25/1,258,535.85 = 333,381/x
  3. Step 3: Cross multiply
    838,914.25x = 1,258,535.85 × 333,381
  4. Step 4: Simplify right side
    838,914.25x = 419,571,940,208.85
  5. Step 5: Solve for x
    x = 419,571,940,208.85/838,914.25
  6. Step 6: Final answer
    x = 500,136.86

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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.