Home / 791,230.36-1,187,032.22-258,749.32

Finding the Fourth Proportional to 791,230.36, 1,187,032.22 and 258,749.32

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Solution

The fourth proportional to 791,230.36, 1,187,032.22 and 258,749.32 is: 388,185.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,230.36 : 1,187,032.22 = 258,749.32 : x
  2. Step 2: Convert to fraction form
    791,230.36/1,187,032.22 = 258,749.32/x
  3. Step 3: Cross multiply
    791,230.36x = 1,187,032.22 × 258,749.32
  4. Step 4: Simplify right side
    791,230.36x = 307,143,779,743.09
  5. Step 5: Solve for x
    x = 307,143,779,743.09/791,230.36
  6. Step 6: Final answer
    x = 388,185.03

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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.