Home / 670,848.56-1,006,272.84-172,212.56

Finding the Fourth Proportional to 670,848.56, 1,006,272.84 and 172,212.56

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Solution

The fourth proportional to 670,848.56, 1,006,272.84 and 172,212.56 is: 258,318.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,848.56 : 1,006,272.84 = 172,212.56 : x
  2. Step 2: Convert to fraction form
    670,848.56/1,006,272.84 = 172,212.56/x
  3. Step 3: Cross multiply
    670,848.56x = 1,006,272.84 × 172,212.56
  4. Step 4: Simplify right side
    670,848.56x = 173,292,821,834.87
  5. Step 5: Solve for x
    x = 173,292,821,834.87/670,848.56
  6. Step 6: Final answer
    x = 258,318.84

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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.