Home / 785,786.62-1,177,694.30-335,979.50

Finding the Fourth Proportional to 785,786.62, 1,177,694.30 and 335,979.50

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Solution

The fourth proportional to 785,786.62, 1,177,694.30 and 335,979.50 is: 503,547.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,786.62 : 1,177,694.30 = 335,979.50 : x
  2. Step 2: Convert to fraction form
    785,786.62/1,177,694.30 = 335,979.50/x
  3. Step 3: Cross multiply
    785,786.62x = 1,177,694.30 × 335,979.50
  4. Step 4: Simplify right side
    785,786.62x = 395,681,137,018.33
  5. Step 5: Solve for x
    x = 395,681,137,018.33/785,786.62
  6. Step 6: Final answer
    x = 503,547.82

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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.