Home / 787,383.40-1,181,077.54-218,795.62

Finding the Fourth Proportional to 787,383.40, 1,181,077.54 and 218,795.62

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Solution

The fourth proportional to 787,383.40, 1,181,077.54 and 218,795.62 is: 328,194.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,383.40 : 1,181,077.54 = 218,795.62 : x
  2. Step 2: Convert to fraction form
    787,383.40/1,181,077.54 = 218,795.62/x
  3. Step 3: Cross multiply
    787,383.40x = 1,181,077.54 × 218,795.62
  4. Step 4: Simplify right side
    787,383.40x = 258,414,592,632.38
  5. Step 5: Solve for x
    x = 258,414,592,632.38/787,383.40
  6. Step 6: Final answer
    x = 328,194.11

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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.