Home / 806,588.96-1,210,065.72-266,843.97

Finding the Fourth Proportional to 806,588.96, 1,210,065.72 and 266,843.97

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Solution

The fourth proportional to 806,588.96, 1,210,065.72 and 266,843.97 is: 400,326.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,588.96 : 1,210,065.72 = 266,843.97 : x
  2. Step 2: Convert to fraction form
    806,588.96/1,210,065.72 = 266,843.97/x
  3. Step 3: Cross multiply
    806,588.96x = 1,210,065.72 × 266,843.97
  4. Step 4: Simplify right side
    806,588.96x = 322,898,739,685.04
  5. Step 5: Solve for x
    x = 322,898,739,685.04/806,588.96
  6. Step 6: Final answer
    x = 400,326.26

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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.