Home / 738,896.20-1,108,183.42-199,139.88

Finding the Fourth Proportional to 738,896.20, 1,108,183.42 and 199,139.88

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Solution

The fourth proportional to 738,896.20, 1,108,183.42 and 199,139.88 is: 298,666.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,896.20 : 1,108,183.42 = 199,139.88 : x
  2. Step 2: Convert to fraction form
    738,896.20/1,108,183.42 = 199,139.88/x
  3. Step 3: Cross multiply
    738,896.20x = 1,108,183.42 × 199,139.88
  4. Step 4: Simplify right side
    738,896.20x = 220,683,513,276.79
  5. Step 5: Solve for x
    x = 220,683,513,276.79/738,896.20
  6. Step 6: Final answer
    x = 298,666.46

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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.