Home / 925,405.80-1,277,052.78-517,508.43

Finding the Fourth Proportional to 925,405.80, 1,277,052.78 and 517,508.43

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Solution

The fourth proportional to 925,405.80, 1,277,052.78 and 517,508.43 is: 714,157.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,405.80 : 1,277,052.78 = 517,508.43 : x
  2. Step 2: Convert to fraction form
    925,405.80/1,277,052.78 = 517,508.43/x
  3. Step 3: Cross multiply
    925,405.80x = 1,277,052.78 × 517,508.43
  4. Step 4: Simplify right side
    925,405.80x = 660,885,579,204.94
  5. Step 5: Solve for x
    x = 660,885,579,204.94/925,405.80
  6. Step 6: Final answer
    x = 714,157.59

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Why These Related Problems?

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