Home / 670,839.54-1,005,559.28-271,755.78

Finding the Fourth Proportional to 670,839.54, 1,005,559.28 and 271,755.78

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Solution

The fourth proportional to 670,839.54, 1,005,559.28 and 271,755.78 is: 407,350.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,839.54 : 1,005,559.28 = 271,755.78 : x
  2. Step 2: Convert to fraction form
    670,839.54/1,005,559.28 = 271,755.78/x
  3. Step 3: Cross multiply
    670,839.54x = 1,005,559.28 × 271,755.78
  4. Step 4: Simplify right side
    670,839.54x = 273,266,546,472.64
  5. Step 5: Solve for x
    x = 273,266,546,472.64/670,839.54
  6. Step 6: Final answer
    x = 407,350.09

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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.