Home / 738,473.20-1,107,718.61-205,961.83

Finding the Fourth Proportional to 738,473.20, 1,107,718.61 and 205,961.83

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Solution

The fourth proportional to 738,473.20, 1,107,718.61 and 205,961.83 is: 308,945.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,473.20 : 1,107,718.61 = 205,961.83 : x
  2. Step 2: Convert to fraction form
    738,473.20/1,107,718.61 = 205,961.83/x
  3. Step 3: Cross multiply
    738,473.20x = 1,107,718.61 × 205,961.83
  4. Step 4: Simplify right side
    738,473.20x = 228,147,746,502.06
  5. Step 5: Solve for x
    x = 228,147,746,502.06/738,473.20
  6. Step 6: Final answer
    x = 308,945.20

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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.