Home / 872,953.82-1,309,486.07-273,938.61

Finding the Fourth Proportional to 872,953.82, 1,309,486.07 and 273,938.61

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Solution

The fourth proportional to 872,953.82, 1,309,486.07 and 273,938.61 is: 410,925.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,953.82 : 1,309,486.07 = 273,938.61 : x
  2. Step 2: Convert to fraction form
    872,953.82/1,309,486.07 = 273,938.61/x
  3. Step 3: Cross multiply
    872,953.82x = 1,309,486.07 × 273,938.61
  4. Step 4: Simplify right side
    872,953.82x = 358,718,797,884.68
  5. Step 5: Solve for x
    x = 358,718,797,884.68/872,953.82
  6. Step 6: Final answer
    x = 410,925.29

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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.