Home / 738,314.57-1,107,534.39-205,836.12

Finding the Fourth Proportional to 738,314.57, 1,107,534.39 and 205,836.12

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Solution

The fourth proportional to 738,314.57, 1,107,534.39 and 205,836.12 is: 308,771.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,314.57 : 1,107,534.39 = 205,836.12 : x
  2. Step 2: Convert to fraction form
    738,314.57/1,107,534.39 = 205,836.12/x
  3. Step 3: Cross multiply
    738,314.57x = 1,107,534.39 × 205,836.12
  4. Step 4: Simplify right side
    738,314.57x = 227,970,580,832.28
  5. Step 5: Solve for x
    x = 227,970,580,832.28/738,314.57
  6. Step 6: Final answer
    x = 308,771.61

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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.