Home / 670,471.80-1,005,705.04-271,107.76

Finding the Fourth Proportional to 670,471.80, 1,005,705.04 and 271,107.76

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Solution

The fourth proportional to 670,471.80, 1,005,705.04 and 271,107.76 is: 406,660.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,471.80 : 1,005,705.04 = 271,107.76 : x
  2. Step 2: Convert to fraction form
    670,471.80/1,005,705.04 = 271,107.76/x
  3. Step 3: Cross multiply
    670,471.80x = 1,005,705.04 × 271,107.76
  4. Step 4: Simplify right side
    670,471.80x = 272,654,440,615.11
  5. Step 5: Solve for x
    x = 272,654,440,615.11/670,471.80
  6. Step 6: Final answer
    x = 406,660.56

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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.