Home / 645,799.46-968,174.31-225,370.58

Finding the Fourth Proportional to 645,799.46, 968,174.31 and 225,370.58

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Solution

The fourth proportional to 645,799.46, 968,174.31 and 225,370.58 is: 337,872.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,799.46 : 968,174.31 = 225,370.58 : x
  2. Step 2: Convert to fraction form
    645,799.46/968,174.31 = 225,370.58/x
  3. Step 3: Cross multiply
    645,799.46x = 968,174.31 × 225,370.58
  4. Step 4: Simplify right side
    645,799.46x = 218,198,008,206.24
  5. Step 5: Solve for x
    x = 218,198,008,206.24/645,799.46
  6. Step 6: Final answer
    x = 337,872.70

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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.