Home / 738,382.59-1,107,760.70-205,903.68

Finding the Fourth Proportional to 738,382.59, 1,107,760.70 and 205,903.68

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Solution

The fourth proportional to 738,382.59, 1,107,760.70 and 205,903.68 is: 308,907.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,382.59 : 1,107,760.70 = 205,903.68 : x
  2. Step 2: Convert to fraction form
    738,382.59/1,107,760.70 = 205,903.68/x
  3. Step 3: Cross multiply
    738,382.59x = 1,107,760.70 × 205,903.68
  4. Step 4: Simplify right side
    738,382.59x = 228,092,004,432.00
  5. Step 5: Solve for x
    x = 228,092,004,432.00/738,382.59
  6. Step 6: Final answer
    x = 308,907.61

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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.