Home / 719,991.06-1,079,374.23-439,705.14

Finding the Fourth Proportional to 719,991.06, 1,079,374.23 and 439,705.14

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Solution

The fourth proportional to 719,991.06, 1,079,374.23 and 439,705.14 is: 659,183.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,991.06 : 1,079,374.23 = 439,705.14 : x
  2. Step 2: Convert to fraction form
    719,991.06/1,079,374.23 = 439,705.14/x
  3. Step 3: Cross multiply
    719,991.06x = 1,079,374.23 × 439,705.14
  4. Step 4: Simplify right side
    719,991.06x = 474,606,396,914.54
  5. Step 5: Solve for x
    x = 474,606,396,914.54/719,991.06
  6. Step 6: Final answer
    x = 659,183.74

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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.