Home / 865,020.96-1,297,390.56-303,924.48

Finding the Fourth Proportional to 865,020.96, 1,297,390.56 and 303,924.48

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Solution

The fourth proportional to 865,020.96, 1,297,390.56 and 303,924.48 is: 455,837.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,020.96 : 1,297,390.56 = 303,924.48 : x
  2. Step 2: Convert to fraction form
    865,020.96/1,297,390.56 = 303,924.48/x
  3. Step 3: Cross multiply
    865,020.96x = 1,297,390.56 × 303,924.48
  4. Step 4: Simplify right side
    865,020.96x = 394,308,751,304.91
  5. Step 5: Solve for x
    x = 394,308,751,304.91/865,020.96
  6. Step 6: Final answer
    x = 455,837.22

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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.