Home / 670,401.72-1,005,600.12-271,037.70

Finding the Fourth Proportional to 670,401.72, 1,005,600.12 and 271,037.70

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Solution

The fourth proportional to 670,401.72, 1,005,600.12 and 271,037.70 is: 406,555.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,401.72 : 1,005,600.12 = 271,037.70 : x
  2. Step 2: Convert to fraction form
    670,401.72/1,005,600.12 = 271,037.70/x
  3. Step 3: Cross multiply
    670,401.72x = 1,005,600.12 × 271,037.70
  4. Step 4: Simplify right side
    670,401.72x = 272,555,543,644.52
  5. Step 5: Solve for x
    x = 272,555,543,644.52/670,401.72
  6. Step 6: Final answer
    x = 406,555.56

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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.