Home / 774,474.24-1,161,768.96-300,956.16

Finding the Fourth Proportional to 774,474.24, 1,161,768.96 and 300,956.16

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Solution

The fourth proportional to 774,474.24, 1,161,768.96 and 300,956.16 is: 451,456.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,474.24 : 1,161,768.96 = 300,956.16 : x
  2. Step 2: Convert to fraction form
    774,474.24/1,161,768.96 = 300,956.16/x
  3. Step 3: Cross multiply
    774,474.24x = 1,161,768.96 × 300,956.16
  4. Step 4: Simplify right side
    774,474.24x = 349,641,525,008.79
  5. Step 5: Solve for x
    x = 349,641,525,008.79/774,474.24
  6. Step 6: Final answer
    x = 451,456.62

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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.