Home / 763,236.80-1,144,886.31-194,632.64

Finding the Fourth Proportional to 763,236.80, 1,144,886.31 and 194,632.64

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Solution

The fourth proportional to 763,236.80, 1,144,886.31 and 194,632.64 is: 291,956.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,236.80 : 1,144,886.31 = 194,632.64 : x
  2. Step 2: Convert to fraction form
    763,236.80/1,144,886.31 = 194,632.64/x
  3. Step 3: Cross multiply
    763,236.80x = 1,144,886.31 × 194,632.64
  4. Step 4: Simplify right side
    763,236.80x = 222,832,239,290.73
  5. Step 5: Solve for x
    x = 222,832,239,290.73/763,236.80
  6. Step 6: Final answer
    x = 291,956.89

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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.