Home / 917,754.67-1,376,507.44-269,313.61

Finding the Fourth Proportional to 917,754.67, 1,376,507.44 and 269,313.61

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Solution

The fourth proportional to 917,754.67, 1,376,507.44 and 269,313.61 is: 403,933.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,754.67 : 1,376,507.44 = 269,313.61 : x
  2. Step 2: Convert to fraction form
    917,754.67/1,376,507.44 = 269,313.61/x
  3. Step 3: Cross multiply
    917,754.67x = 1,376,507.44 × 269,313.61
  4. Step 4: Simplify right side
    917,754.67x = 370,712,187,858.26
  5. Step 5: Solve for x
    x = 370,712,187,858.26/917,754.67
  6. Step 6: Final answer
    x = 403,933.86

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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.