Home / 738,557.42-1,108,022.76-206,078.12

Finding the Fourth Proportional to 738,557.42, 1,108,022.76 and 206,078.12

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Solution

The fourth proportional to 738,557.42, 1,108,022.76 and 206,078.12 is: 309,169.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,557.42 : 1,108,022.76 = 206,078.12 : x
  2. Step 2: Convert to fraction form
    738,557.42/1,108,022.76 = 206,078.12/x
  3. Step 3: Cross multiply
    738,557.42x = 1,108,022.76 × 206,078.12
  4. Step 4: Simplify right side
    738,557.42x = 228,339,247,298.01
  5. Step 5: Solve for x
    x = 228,339,247,298.01/738,557.42
  6. Step 6: Final answer
    x = 309,169.25

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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.