Home / 705,087.12-1,057,429.80-199,614.96

Finding the Fourth Proportional to 705,087.12, 1,057,429.80 and 199,614.96

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Solution

The fourth proportional to 705,087.12, 1,057,429.80 and 199,614.96 is: 299,365.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,087.12 : 1,057,429.80 = 199,614.96 : x
  2. Step 2: Convert to fraction form
    705,087.12/1,057,429.80 = 199,614.96/x
  3. Step 3: Cross multiply
    705,087.12x = 1,057,429.80 × 199,614.96
  4. Step 4: Simplify right side
    705,087.12x = 211,078,807,229.81
  5. Step 5: Solve for x
    x = 211,078,807,229.81/705,087.12
  6. Step 6: Final answer
    x = 299,365.57

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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.