Home / 804,177.78-1,109,778.08-436,654.71

Finding the Fourth Proportional to 804,177.78, 1,109,778.08 and 436,654.71

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Solution

The fourth proportional to 804,177.78, 1,109,778.08 and 436,654.71 is: 602,590.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,177.78 : 1,109,778.08 = 436,654.71 : x
  2. Step 2: Convert to fraction form
    804,177.78/1,109,778.08 = 436,654.71/x
  3. Step 3: Cross multiply
    804,177.78x = 1,109,778.08 × 436,654.71
  4. Step 4: Simplify right side
    804,177.78x = 484,589,820,137.87
  5. Step 5: Solve for x
    x = 484,589,820,137.87/804,177.78
  6. Step 6: Final answer
    x = 602,590.42

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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.