Home / 705,867.54-1,058,998.95-285,438.66

Finding the Fourth Proportional to 705,867.54, 1,058,998.95 and 285,438.66

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Solution

The fourth proportional to 705,867.54, 1,058,998.95 and 285,438.66 is: 428,237.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,867.54 : 1,058,998.95 = 285,438.66 : x
  2. Step 2: Convert to fraction form
    705,867.54/1,058,998.95 = 285,438.66/x
  3. Step 3: Cross multiply
    705,867.54x = 1,058,998.95 × 285,438.66
  4. Step 4: Simplify right side
    705,867.54x = 302,279,241,229.41
  5. Step 5: Solve for x
    x = 302,279,241,229.41/705,867.54
  6. Step 6: Final answer
    x = 428,237.91

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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.