Home / 558,724.91-771,043.80-304,078.73

Finding the Fourth Proportional to 558,724.91, 771,043.80 and 304,078.73

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Solution

The fourth proportional to 558,724.91, 771,043.80 and 304,078.73 is: 419,630.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,724.91 : 771,043.80 = 304,078.73 : x
  2. Step 2: Convert to fraction form
    558,724.91/771,043.80 = 304,078.73/x
  3. Step 3: Cross multiply
    558,724.91x = 771,043.80 × 304,078.73
  4. Step 4: Simplify right side
    558,724.91x = 234,458,015,623.16
  5. Step 5: Solve for x
    x = 234,458,015,623.16/558,724.91
  6. Step 6: Final answer
    x = 419,630.51

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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.