Home / 645,849.40-968,774.10-225,026.86

Finding the Fourth Proportional to 645,849.40, 968,774.10 and 225,026.86

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Solution

The fourth proportional to 645,849.40, 968,774.10 and 225,026.86 is: 337,540.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,849.40 : 968,774.10 = 225,026.86 : x
  2. Step 2: Convert to fraction form
    645,849.40/968,774.10 = 225,026.86/x
  3. Step 3: Cross multiply
    645,849.40x = 968,774.10 × 225,026.86
  4. Step 4: Simplify right side
    645,849.40x = 218,000,193,772.33
  5. Step 5: Solve for x
    x = 218,000,193,772.33/645,849.40
  6. Step 6: Final answer
    x = 337,540.29

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Similar ratio
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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.