Home / 833,165.88-1,248,907.32-328,081.38

Finding the Fourth Proportional to 833,165.88, 1,248,907.32 and 328,081.38

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Solution

The fourth proportional to 833,165.88, 1,248,907.32 and 328,081.38 is: 491,790.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,165.88 : 1,248,907.32 = 328,081.38 : x
  2. Step 2: Convert to fraction form
    833,165.88/1,248,907.32 = 328,081.38/x
  3. Step 3: Cross multiply
    833,165.88x = 1,248,907.32 × 328,081.38
  4. Step 4: Simplify right side
    833,165.88x = 409,743,237,037.70
  5. Step 5: Solve for x
    x = 409,743,237,037.70/833,165.88
  6. Step 6: Final answer
    x = 491,790.71

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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.