Home / 999,249.82-1,498,659.98-316,190.79

Finding the Fourth Proportional to 999,249.82, 1,498,659.98 and 316,190.79

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Solution

The fourth proportional to 999,249.82, 1,498,659.98 and 316,190.79 is: 474,218.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,249.82 : 1,498,659.98 = 316,190.79 : x
  2. Step 2: Convert to fraction form
    999,249.82/1,498,659.98 = 316,190.79/x
  3. Step 3: Cross multiply
    999,249.82x = 1,498,659.98 × 316,190.79
  4. Step 4: Simplify right side
    999,249.82x = 473,862,481,436.63
  5. Step 5: Solve for x
    x = 473,862,481,436.63/999,249.82
  6. Step 6: Final answer
    x = 474,218.23

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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.