Home / 850,719.78-1,174,076.04-635,486.20

Finding the Fourth Proportional to 850,719.78, 1,174,076.04 and 635,486.20

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Solution

The fourth proportional to 850,719.78, 1,174,076.04 and 635,486.20 is: 877,032.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,719.78 : 1,174,076.04 = 635,486.20 : x
  2. Step 2: Convert to fraction form
    850,719.78/1,174,076.04 = 635,486.20/x
  3. Step 3: Cross multiply
    850,719.78x = 1,174,076.04 × 635,486.20
  4. Step 4: Simplify right side
    850,719.78x = 746,109,121,170.65
  5. Step 5: Solve for x
    x = 746,109,121,170.65/850,719.78
  6. Step 6: Final answer
    x = 877,032.77

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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.