Home / 995,981.30-1,374,455.49-543,279.86

Finding the Fourth Proportional to 995,981.30, 1,374,455.49 and 543,279.86

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Solution

The fourth proportional to 995,981.30, 1,374,455.49 and 543,279.86 is: 749,726.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,981.30 : 1,374,455.49 = 543,279.86 : x
  2. Step 2: Convert to fraction form
    995,981.30/1,374,455.49 = 543,279.86/x
  3. Step 3: Cross multiply
    995,981.30x = 1,374,455.49 × 543,279.86
  4. Step 4: Simplify right side
    995,981.30x = 746,713,986,183.43
  5. Step 5: Solve for x
    x = 746,713,986,183.43/995,981.30
  6. Step 6: Final answer
    x = 749,726.91

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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.