Home / 982,765.96-1,474,157.20-272,849.36

Finding the Fourth Proportional to 982,765.96, 1,474,157.20 and 272,849.36

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Solution

The fourth proportional to 982,765.96, 1,474,157.20 and 272,849.36 is: 409,276.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,765.96 : 1,474,157.20 = 272,849.36 : x
  2. Step 2: Convert to fraction form
    982,765.96/1,474,157.20 = 272,849.36/x
  3. Step 3: Cross multiply
    982,765.96x = 1,474,157.20 × 272,849.36
  4. Step 4: Simplify right side
    982,765.96x = 402,222,848,559.39
  5. Step 5: Solve for x
    x = 402,222,848,559.39/982,765.96
  6. Step 6: Final answer
    x = 409,276.33

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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.