Home / 705,994.27-1,058,370.31-279,829.23

Finding the Fourth Proportional to 705,994.27, 1,058,370.31 and 279,829.23

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Solution

The fourth proportional to 705,994.27, 1,058,370.31 and 279,829.23 is: 419,497.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,994.27 : 1,058,370.31 = 279,829.23 : x
  2. Step 2: Convert to fraction form
    705,994.27/1,058,370.31 = 279,829.23/x
  3. Step 3: Cross multiply
    705,994.27x = 1,058,370.31 × 279,829.23
  4. Step 4: Simplify right side
    705,994.27x = 296,162,953,220.84
  5. Step 5: Solve for x
    x = 296,162,953,220.84/705,994.27
  6. Step 6: Final answer
    x = 419,497.67

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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.