Home / 785,828.88-1,177,756.44-336,021.36

Finding the Fourth Proportional to 785,828.88, 1,177,756.44 and 336,021.36

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Solution

The fourth proportional to 785,828.88, 1,177,756.44 and 336,021.36 is: 503,610.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,828.88 : 1,177,756.44 = 336,021.36 : x
  2. Step 2: Convert to fraction form
    785,828.88/1,177,756.44 = 336,021.36/x
  3. Step 3: Cross multiply
    785,828.88x = 1,177,756.44 × 336,021.36
  4. Step 4: Simplify right side
    785,828.88x = 395,751,320,717.56
  5. Step 5: Solve for x
    x = 395,751,320,717.56/785,828.88
  6. Step 6: Final answer
    x = 503,610.05

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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.