Home / 561,456.09-842,393.39-336,977.55

Finding the Fourth Proportional to 561,456.09, 842,393.39 and 336,977.55

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Solution

The fourth proportional to 561,456.09, 842,393.39 and 336,977.55 is: 505,591.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,456.09 : 842,393.39 = 336,977.55 : x
  2. Step 2: Convert to fraction form
    561,456.09/842,393.39 = 336,977.55/x
  3. Step 3: Cross multiply
    561,456.09x = 842,393.39 × 336,977.55
  4. Step 4: Simplify right side
    561,456.09x = 283,867,659,013.51
  5. Step 5: Solve for x
    x = 283,867,659,013.51/561,456.09
  6. Step 6: Final answer
    x = 505,591.91

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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.