Home / 670,745.30-1,005,340.35-271,123.70

Finding the Fourth Proportional to 670,745.30, 1,005,340.35 and 271,123.70

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Solution

The fourth proportional to 670,745.30, 1,005,340.35 and 271,123.70 is: 406,371.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,745.30 : 1,005,340.35 = 271,123.70 : x
  2. Step 2: Convert to fraction form
    670,745.30/1,005,340.35 = 271,123.70/x
  3. Step 3: Cross multiply
    670,745.30x = 1,005,340.35 × 271,123.70
  4. Step 4: Simplify right side
    670,745.30x = 272,571,595,451.30
  5. Step 5: Solve for x
    x = 272,571,595,451.30/670,745.30
  6. Step 6: Final answer
    x = 406,371.23

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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.