Home / 677,739.06-1,016,577.84-298,558.47

Finding the Fourth Proportional to 677,739.06, 1,016,577.84 and 298,558.47

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Solution

The fourth proportional to 677,739.06, 1,016,577.84 and 298,558.47 is: 447,824.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,739.06 : 1,016,577.84 = 298,558.47 : x
  2. Step 2: Convert to fraction form
    677,739.06/1,016,577.84 = 298,558.47/x
  3. Step 3: Cross multiply
    677,739.06x = 1,016,577.84 × 298,558.47
  4. Step 4: Simplify right side
    677,739.06x = 303,507,924,546.31
  5. Step 5: Solve for x
    x = 303,507,924,546.31/677,739.06
  6. Step 6: Final answer
    x = 447,824.16

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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.