Home / 995,982.30-1,374,456.87-543,280.86

Finding the Fourth Proportional to 995,982.30, 1,374,456.87 and 543,280.86

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Solution

The fourth proportional to 995,982.30, 1,374,456.87 and 543,280.86 is: 749,728.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,982.30 : 1,374,456.87 = 543,280.86 : x
  2. Step 2: Convert to fraction form
    995,982.30/1,374,456.87 = 543,280.86/x
  3. Step 3: Cross multiply
    995,982.30x = 1,374,456.87 × 543,280.86
  4. Step 4: Simplify right side
    995,982.30x = 746,716,110,366.51
  5. Step 5: Solve for x
    x = 746,716,110,366.51/995,982.30
  6. Step 6: Final answer
    x = 749,728.29

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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.