Home / 738,614.60-1,107,725.04-206,041.80

Finding the Fourth Proportional to 738,614.60, 1,107,725.04 and 206,041.80

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Solution

The fourth proportional to 738,614.60, 1,107,725.04 and 206,041.80 is: 309,007.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,614.60 : 1,107,725.04 = 206,041.80 : x
  2. Step 2: Convert to fraction form
    738,614.60/1,107,725.04 = 206,041.80/x
  3. Step 3: Cross multiply
    738,614.60x = 1,107,725.04 × 206,041.80
  4. Step 4: Simplify right side
    738,614.60x = 228,237,661,146.67
  5. Step 5: Solve for x
    x = 228,237,661,146.67/738,614.60
  6. Step 6: Final answer
    x = 309,007.78

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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.