Home / 738,474.40-1,107,720.38-205,963

Finding the Fourth Proportional to 738,474.40, 1,107,720.38 and 205,963

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Solution

The fourth proportional to 738,474.40, 1,107,720.38 and 205,963 is: 308,946.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,474.40 : 1,107,720.38 = 205,963 : x
  2. Step 2: Convert to fraction form
    738,474.40/1,107,720.38 = 205,963/x
  3. Step 3: Cross multiply
    738,474.40x = 1,107,720.38 × 205,963
  4. Step 4: Simplify right side
    738,474.40x = 228,149,412,625.94
  5. Step 5: Solve for x
    x = 228,149,412,625.94/738,474.40
  6. Step 6: Final answer
    x = 308,946.95

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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.