Home / 956,912.82-1,320,524.19-521,335.35

Finding the Fourth Proportional to 956,912.82, 1,320,524.19 and 521,335.35

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Solution

The fourth proportional to 956,912.82, 1,320,524.19 and 521,335.35 is: 719,434.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,912.82 : 1,320,524.19 = 521,335.35 : x
  2. Step 2: Convert to fraction form
    956,912.82/1,320,524.19 = 521,335.35/x
  3. Step 3: Cross multiply
    956,912.82x = 1,320,524.19 × 521,335.35
  4. Step 4: Simplify right side
    956,912.82x = 688,435,940,777.12
  5. Step 5: Solve for x
    x = 688,435,940,777.12/956,912.82
  6. Step 6: Final answer
    x = 719,434.34

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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.