Home / 865,010.25-1,297,550.70-296,782.08

Finding the Fourth Proportional to 865,010.25, 1,297,550.70 and 296,782.08

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Solution

The fourth proportional to 865,010.25, 1,297,550.70 and 296,782.08 is: 445,185.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,010.25 : 1,297,550.70 = 296,782.08 : x
  2. Step 2: Convert to fraction form
    865,010.25/1,297,550.70 = 296,782.08/x
  3. Step 3: Cross multiply
    865,010.25x = 1,297,550.70 × 296,782.08
  4. Step 4: Simplify right side
    865,010.25x = 385,089,795,651.46
  5. Step 5: Solve for x
    x = 385,089,795,651.46/865,010.25
  6. Step 6: Final answer
    x = 445,185.24

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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.