Home / 850,714.97-1,276,661.79-338,327.60

Finding the Fourth Proportional to 850,714.97, 1,276,661.79 and 338,327.60

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Solution

The fourth proportional to 850,714.97, 1,276,661.79 and 338,327.60 is: 507,725.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,714.97 : 1,276,661.79 = 338,327.60 : x
  2. Step 2: Convert to fraction form
    850,714.97/1,276,661.79 = 338,327.60/x
  3. Step 3: Cross multiply
    850,714.97x = 1,276,661.79 × 338,327.60
  4. Step 4: Simplify right side
    850,714.97x = 431,929,913,039.10
  5. Step 5: Solve for x
    x = 431,929,913,039.10/850,714.97
  6. Step 6: Final answer
    x = 507,725.77

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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.