Home / 813,408.85-1,220,107.11-244,787.50

Finding the Fourth Proportional to 813,408.85, 1,220,107.11 and 244,787.50

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Solution

The fourth proportional to 813,408.85, 1,220,107.11 and 244,787.50 is: 367,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,408.85 : 1,220,107.11 = 244,787.50 : x
  2. Step 2: Convert to fraction form
    813,408.85/1,220,107.11 = 244,787.50/x
  3. Step 3: Cross multiply
    813,408.85x = 1,220,107.11 × 244,787.50
  4. Step 4: Simplify right side
    813,408.85x = 298,666,969,189.13
  5. Step 5: Solve for x
    x = 298,666,969,189.13/813,408.85
  6. Step 6: Final answer
    x = 367,179.39

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1.5x scale

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.