Home / 805,262.64-1,207,008.16-331,689.66

Finding the Fourth Proportional to 805,262.64, 1,207,008.16 and 331,689.66

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Solution

The fourth proportional to 805,262.64, 1,207,008.16 and 331,689.66 is: 497,169.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,262.64 : 1,207,008.16 = 331,689.66 : x
  2. Step 2: Convert to fraction form
    805,262.64/1,207,008.16 = 331,689.66/x
  3. Step 3: Cross multiply
    805,262.64x = 1,207,008.16 × 331,689.66
  4. Step 4: Simplify right side
    805,262.64x = 400,352,126,207.63
  5. Step 5: Solve for x
    x = 400,352,126,207.63/805,262.64
  6. Step 6: Final answer
    x = 497,169.63

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