Home / 738,391.23-1,107,773.64-205,912.32

Finding the Fourth Proportional to 738,391.23, 1,107,773.64 and 205,912.32

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Solution

The fourth proportional to 738,391.23, 1,107,773.64 and 205,912.32 is: 308,920.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,391.23 : 1,107,773.64 = 205,912.32 : x
  2. Step 2: Convert to fraction form
    738,391.23/1,107,773.64 = 205,912.32/x
  3. Step 3: Cross multiply
    738,391.23x = 1,107,773.64 × 205,912.32
  4. Step 4: Simplify right side
    738,391.23x = 228,104,240,247.25
  5. Step 5: Solve for x
    x = 228,104,240,247.25/738,391.23
  6. Step 6: Final answer
    x = 308,920.57

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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.