Home / 995,980.80-1,374,454.80-543,279.36

Finding the Fourth Proportional to 995,980.80, 1,374,454.80 and 543,279.36

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Solution

The fourth proportional to 995,980.80, 1,374,454.80 and 543,279.36 is: 749,726.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,980.80 : 1,374,454.80 = 543,279.36 : x
  2. Step 2: Convert to fraction form
    995,980.80/1,374,454.80 = 543,279.36/x
  3. Step 3: Cross multiply
    995,980.80x = 1,374,454.80 × 543,279.36
  4. Step 4: Simplify right side
    995,980.80x = 746,712,924,092.93
  5. Step 5: Solve for x
    x = 746,712,924,092.93/995,980.80
  6. Step 6: Final answer
    x = 749,726.22

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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.