Home / 767,955.58-1,150,999.48-543,380.75

Finding the Fourth Proportional to 767,955.58, 1,150,999.48 and 543,380.75

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Solution

The fourth proportional to 767,955.58, 1,150,999.48 and 543,380.75 is: 814,410.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,955.58 : 1,150,999.48 = 543,380.75 : x
  2. Step 2: Convert to fraction form
    767,955.58/1,150,999.48 = 543,380.75/x
  3. Step 3: Cross multiply
    767,955.58x = 1,150,999.48 × 543,380.75
  4. Step 4: Simplify right side
    767,955.58x = 625,430,953,578.56
  5. Step 5: Solve for x
    x = 625,430,953,578.56/767,955.58
  6. Step 6: Final answer
    x = 814,410.33

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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.