Home / 670,114.20-1,005,358.95-271,035.30

Finding the Fourth Proportional to 670,114.20, 1,005,358.95 and 271,035.30

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Solution

The fourth proportional to 670,114.20, 1,005,358.95 and 271,035.30 is: 406,628.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,114.20 : 1,005,358.95 = 271,035.30 : x
  2. Step 2: Convert to fraction form
    670,114.20/1,005,358.95 = 271,035.30/x
  3. Step 3: Cross multiply
    670,114.20x = 1,005,358.95 × 271,035.30
  4. Step 4: Simplify right side
    670,114.20x = 272,487,764,620.94
  5. Step 5: Solve for x
    x = 272,487,764,620.94/670,114.20
  6. Step 6: Final answer
    x = 406,628.85

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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.