Home / 738,604.20-1,108,781.10-419,010.60

Finding the Fourth Proportional to 738,604.20, 1,108,781.10 and 419,010.60

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Solution

The fourth proportional to 738,604.20, 1,108,781.10 and 419,010.60 is: 629,012.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,604.20 : 1,108,781.10 = 419,010.60 : x
  2. Step 2: Convert to fraction form
    738,604.20/1,108,781.10 = 419,010.60/x
  3. Step 3: Cross multiply
    738,604.20x = 1,108,781.10 × 419,010.60
  4. Step 4: Simplify right side
    738,604.20x = 464,591,033,979.66
  5. Step 5: Solve for x
    x = 464,591,033,979.66/738,604.20
  6. Step 6: Final answer
    x = 629,012.17

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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.