Home / 676,765.51-933,936.27-404,844.86

Finding the Fourth Proportional to 676,765.51, 933,936.27 and 404,844.86

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Solution

The fourth proportional to 676,765.51, 933,936.27 and 404,844.86 is: 558,685.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,765.51 : 933,936.27 = 404,844.86 : x
  2. Step 2: Convert to fraction form
    676,765.51/933,936.27 = 404,844.86/x
  3. Step 3: Cross multiply
    676,765.51x = 933,936.27 × 404,844.86
  4. Step 4: Simplify right side
    676,765.51x = 378,099,298,477.07
  5. Step 5: Solve for x
    x = 378,099,298,477.07/676,765.51
  6. Step 6: Final answer
    x = 558,685.83

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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.