Home / 788,470.09-1,182,575.73-219,889.73

Finding the Fourth Proportional to 788,470.09, 1,182,575.73 and 219,889.73

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Solution

The fourth proportional to 788,470.09, 1,182,575.73 and 219,889.73 is: 329,798.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,470.09 : 1,182,575.73 = 219,889.73 : x
  2. Step 2: Convert to fraction form
    788,470.09/1,182,575.73 = 219,889.73/x
  3. Step 3: Cross multiply
    788,470.09x = 1,182,575.73 × 219,889.73
  4. Step 4: Simplify right side
    788,470.09x = 260,036,257,974.25
  5. Step 5: Solve for x
    x = 260,036,257,974.25/788,470.09
  6. Step 6: Final answer
    x = 329,798.51

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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.