Home / 838,914-1,258,535.48-333,380.75

Finding the Fourth Proportional to 838,914, 1,258,535.48 and 333,380.75

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Solution

The fourth proportional to 838,914, 1,258,535.48 and 333,380.75 is: 500,136.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,914 : 1,258,535.48 = 333,380.75 : x
  2. Step 2: Convert to fraction form
    838,914/1,258,535.48 = 333,380.75/x
  3. Step 3: Cross multiply
    838,914x = 1,258,535.48 × 333,380.75
  4. Step 4: Simplify right side
    838,914x = 419,571,494,264.43
  5. Step 5: Solve for x
    x = 419,571,494,264.43/838,914
  6. Step 6: Final answer
    x = 500,136.48

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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.