Home / 865,907.82-1,298,984.04-266,917.68

Finding the Fourth Proportional to 865,907.82, 1,298,984.04 and 266,917.68

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Solution

The fourth proportional to 865,907.82, 1,298,984.04 and 266,917.68 is: 400,414.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,907.82 : 1,298,984.04 = 266,917.68 : x
  2. Step 2: Convert to fraction form
    865,907.82/1,298,984.04 = 266,917.68/x
  3. Step 3: Cross multiply
    865,907.82x = 1,298,984.04 × 266,917.68
  4. Step 4: Simplify right side
    865,907.82x = 346,721,806,313.83
  5. Step 5: Solve for x
    x = 346,721,806,313.83/865,907.82
  6. Step 6: Final answer
    x = 400,414.22

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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.