Home / 791,285.56-1,187,028.92-251,349.21

Finding the Fourth Proportional to 791,285.56, 1,187,028.92 and 251,349.21

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Solution

The fourth proportional to 791,285.56, 1,187,028.92 and 251,349.21 is: 377,055.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,285.56 : 1,187,028.92 = 251,349.21 : x
  2. Step 2: Convert to fraction form
    791,285.56/1,187,028.92 = 251,349.21/x
  3. Step 3: Cross multiply
    791,285.56x = 1,187,028.92 × 251,349.21
  4. Step 4: Simplify right side
    791,285.56x = 298,358,781,289.15
  5. Step 5: Solve for x
    x = 298,358,781,289.15/791,285.56
  6. Step 6: Final answer
    x = 377,055.76

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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.