Home / 791,229.36-1,187,030.72-258,748.32

Finding the Fourth Proportional to 791,229.36, 1,187,030.72 and 258,748.32

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Solution

The fourth proportional to 791,229.36, 1,187,030.72 and 258,748.32 is: 388,183.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,229.36 : 1,187,030.72 = 258,748.32 : x
  2. Step 2: Convert to fraction form
    791,229.36/1,187,030.72 = 258,748.32/x
  3. Step 3: Cross multiply
    791,229.36x = 1,187,030.72 × 258,748.32
  4. Step 4: Simplify right side
    791,229.36x = 307,142,204,588.39
  5. Step 5: Solve for x
    x = 307,142,204,588.39/791,229.36
  6. Step 6: Final answer
    x = 388,183.53

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1.5x scale

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.