Home / 788,198.04-1,086,579.60-561,449.88

Finding the Fourth Proportional to 788,198.04, 1,086,579.60 and 561,449.88

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Solution

The fourth proportional to 788,198.04, 1,086,579.60 and 561,449.88 is: 773,993.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,198.04 : 1,086,579.60 = 561,449.88 : x
  2. Step 2: Convert to fraction form
    788,198.04/1,086,579.60 = 561,449.88/x
  3. Step 3: Cross multiply
    788,198.04x = 1,086,579.60 × 561,449.88
  4. Step 4: Simplify right side
    788,198.04x = 610,059,986,030.45
  5. Step 5: Solve for x
    x = 610,059,986,030.45/788,198.04
  6. Step 6: Final answer
    x = 773,993.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.