Home / 681,058.80-1,021,685.40-231,703.20

Finding the Fourth Proportional to 681,058.80, 1,021,685.40 and 231,703.20

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Solution

The fourth proportional to 681,058.80, 1,021,685.40 and 231,703.20 is: 347,587.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,058.80 : 1,021,685.40 = 231,703.20 : x
  2. Step 2: Convert to fraction form
    681,058.80/1,021,685.40 = 231,703.20/x
  3. Step 3: Cross multiply
    681,058.80x = 1,021,685.40 × 231,703.20
  4. Step 4: Simplify right side
    681,058.80x = 236,727,776,573.28
  5. Step 5: Solve for x
    x = 236,727,776,573.28/681,058.80
  6. Step 6: Final answer
    x = 347,587.87

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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.