Home / 862,364.67-1,293,736.34-255,105.44

Finding the Fourth Proportional to 862,364.67, 1,293,736.34 and 255,105.44

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Solution

The fourth proportional to 862,364.67, 1,293,736.34 and 255,105.44 is: 382,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,364.67 : 1,293,736.34 = 255,105.44 : x
  2. Step 2: Convert to fraction form
    862,364.67/1,293,736.34 = 255,105.44/x
  3. Step 3: Cross multiply
    862,364.67x = 1,293,736.34 × 255,105.44
  4. Step 4: Simplify right side
    862,364.67x = 330,039,180,195.74
  5. Step 5: Solve for x
    x = 330,039,180,195.74/862,364.67
  6. Step 6: Final answer
    x = 382,714.17

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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.