Home / 785,198.94-1,177,908.58-385,855.44

Finding the Fourth Proportional to 785,198.94, 1,177,908.58 and 385,855.44

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Solution

The fourth proportional to 785,198.94, 1,177,908.58 and 385,855.44 is: 578,837.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,198.94 : 1,177,908.58 = 385,855.44 : x
  2. Step 2: Convert to fraction form
    785,198.94/1,177,908.58 = 385,855.44/x
  3. Step 3: Cross multiply
    785,198.94x = 1,177,908.58 × 385,855.44
  4. Step 4: Simplify right side
    785,198.94x = 454,502,433,415.68
  5. Step 5: Solve for x
    x = 454,502,433,415.68/785,198.94
  6. Step 6: Final answer
    x = 578,837.30

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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.