Home / 738,953.28-1,108,491.96-206,479.56

Finding the Fourth Proportional to 738,953.28, 1,108,491.96 and 206,479.56

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Solution

The fourth proportional to 738,953.28, 1,108,491.96 and 206,479.56 is: 309,736.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,953.28 : 1,108,491.96 = 206,479.56 : x
  2. Step 2: Convert to fraction form
    738,953.28/1,108,491.96 = 206,479.56/x
  3. Step 3: Cross multiply
    738,953.28x = 1,108,491.96 × 206,479.56
  4. Step 4: Simplify right side
    738,953.28x = 228,880,932,164.34
  5. Step 5: Solve for x
    x = 228,880,932,164.34/738,953.28
  6. Step 6: Final answer
    x = 309,736.68

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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.