Home / 788,022.66-1,182,034.86-219,405.00

Finding the Fourth Proportional to 788,022.66, 1,182,034.86 and 219,405.00

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Solution

The fourth proportional to 788,022.66, 1,182,034.86 and 219,405.00 is: 329,107.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,022.66 : 1,182,034.86 = 219,405.00 : x
  2. Step 2: Convert to fraction form
    788,022.66/1,182,034.86 = 219,405.00/x
  3. Step 3: Cross multiply
    788,022.66x = 1,182,034.86 × 219,405.00
  4. Step 4: Simplify right side
    788,022.66x = 259,344,362,068.16
  5. Step 5: Solve for x
    x = 259,344,362,068.16/788,022.66
  6. Step 6: Final answer
    x = 329,107.75

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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.