Home / 855,640.22-1,180,797.46-468,449.12

Finding the Fourth Proportional to 855,640.22, 1,180,797.46 and 468,449.12

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Solution

The fourth proportional to 855,640.22, 1,180,797.46 and 468,449.12 is: 646,467.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,640.22 : 1,180,797.46 = 468,449.12 : x
  2. Step 2: Convert to fraction form
    855,640.22/1,180,797.46 = 468,449.12/x
  3. Step 3: Cross multiply
    855,640.22x = 1,180,797.46 × 468,449.12
  4. Step 4: Simplify right side
    855,640.22x = 553,143,531,035.24
  5. Step 5: Solve for x
    x = 553,143,531,035.24/855,640.22
  6. Step 6: Final answer
    x = 646,467.43

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.