Home / 670,806.56-1,006,209.84-172,170.56

Finding the Fourth Proportional to 670,806.56, 1,006,209.84 and 172,170.56

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Solution

The fourth proportional to 670,806.56, 1,006,209.84 and 172,170.56 is: 258,255.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,806.56 : 1,006,209.84 = 172,170.56 : x
  2. Step 2: Convert to fraction form
    670,806.56/1,006,209.84 = 172,170.56/x
  3. Step 3: Cross multiply
    670,806.56x = 1,006,209.84 × 172,170.56
  4. Step 4: Simplify right side
    670,806.56x = 173,239,711,630.31
  5. Step 5: Solve for x
    x = 173,239,711,630.31/670,806.56
  6. Step 6: Final answer
    x = 258,255.84

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Similar ratio
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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.