Home / 643,734.20-964,910.10-244,220.60

Finding the Fourth Proportional to 643,734.20, 964,910.10 and 244,220.60

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Solution

The fourth proportional to 643,734.20, 964,910.10 and 244,220.60 is: 366,068.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,734.20 : 964,910.10 = 244,220.60 : x
  2. Step 2: Convert to fraction form
    643,734.20/964,910.10 = 244,220.60/x
  3. Step 3: Cross multiply
    643,734.20x = 964,910.10 × 244,220.60
  4. Step 4: Simplify right side
    643,734.20x = 235,650,923,568.06
  5. Step 5: Solve for x
    x = 235,650,923,568.06/643,734.20
  6. Step 6: Final answer
    x = 366,068.67

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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.