Home / 908,980.68-1,256,660.82-682,232.52

Finding the Fourth Proportional to 908,980.68, 1,256,660.82 and 682,232.52

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Solution

The fourth proportional to 908,980.68, 1,256,660.82 and 682,232.52 is: 943,182.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,980.68 : 1,256,660.82 = 682,232.52 : x
  2. Step 2: Convert to fraction form
    908,980.68/1,256,660.82 = 682,232.52/x
  3. Step 3: Cross multiply
    908,980.68x = 1,256,660.82 × 682,232.52
  4. Step 4: Simplify right side
    908,980.68x = 857,334,878,013.87
  5. Step 5: Solve for x
    x = 857,334,878,013.87/908,980.68
  6. Step 6: Final answer
    x = 943,182.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.