Home / 788,242.72-1,182,343.92-219,621.28

Finding the Fourth Proportional to 788,242.72, 1,182,343.92 and 219,621.28

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Solution

The fourth proportional to 788,242.72, 1,182,343.92 and 219,621.28 is: 329,426.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,242.72 : 1,182,343.92 = 219,621.28 : x
  2. Step 2: Convert to fraction form
    788,242.72/1,182,343.92 = 219,621.28/x
  3. Step 3: Cross multiply
    788,242.72x = 1,182,343.92 × 219,621.28
  4. Step 4: Simplify right side
    788,242.72x = 259,667,885,110.62
  5. Step 5: Solve for x
    x = 259,667,885,110.62/788,242.72
  6. Step 6: Final answer
    x = 329,426.30

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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.