Home / 639,839.06-959,020.48-240,224.96

Finding the Fourth Proportional to 639,839.06, 959,020.48 and 240,224.96

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Solution

The fourth proportional to 639,839.06, 959,020.48 and 240,224.96 is: 360,060.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,839.06 : 959,020.48 = 240,224.96 : x
  2. Step 2: Convert to fraction form
    639,839.06/959,020.48 = 240,224.96/x
  3. Step 3: Cross multiply
    639,839.06x = 959,020.48 × 240,224.96
  4. Step 4: Simplify right side
    639,839.06x = 230,380,654,426.16
  5. Step 5: Solve for x
    x = 230,380,654,426.16/639,839.06
  6. Step 6: Final answer
    x = 360,060.31

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1.5x scale

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.