Home / 788,579.60-1,182,896.06-219,974.64

Finding the Fourth Proportional to 788,579.60, 1,182,896.06 and 219,974.64

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Solution

The fourth proportional to 788,579.60, 1,182,896.06 and 219,974.64 is: 329,969.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,579.60 : 1,182,896.06 = 219,974.64 : x
  2. Step 2: Convert to fraction form
    788,579.60/1,182,896.06 = 219,974.64/x
  3. Step 3: Cross multiply
    788,579.60x = 1,182,896.06 × 219,974.64
  4. Step 4: Simplify right side
    788,579.60x = 260,207,129,420.19
  5. Step 5: Solve for x
    x = 260,207,129,420.19/788,579.60
  6. Step 6: Final answer
    x = 329,969.39

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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.