Home / 790,660.26-1,090,665.72-500,181.71

Finding the Fourth Proportional to 790,660.26, 1,090,665.72 and 500,181.71

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Solution

The fourth proportional to 790,660.26, 1,090,665.72 and 500,181.71 is: 689,968.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,660.26 : 1,090,665.72 = 500,181.71 : x
  2. Step 2: Convert to fraction form
    790,660.26/1,090,665.72 = 500,181.71/x
  3. Step 3: Cross multiply
    790,660.26x = 1,090,665.72 × 500,181.71
  4. Step 4: Simplify right side
    790,660.26x = 545,531,039,414.65
  5. Step 5: Solve for x
    x = 545,531,039,414.65/790,660.26
  6. Step 6: Final answer
    x = 689,968.96

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.