Home / 791,285.43-1,187,028.74-251,349.08

Finding the Fourth Proportional to 791,285.43, 1,187,028.74 and 251,349.08

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Solution

The fourth proportional to 791,285.43, 1,187,028.74 and 251,349.08 is: 377,055.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,285.43 : 1,187,028.74 = 251,349.08 : x
  2. Step 2: Convert to fraction form
    791,285.43/1,187,028.74 = 251,349.08/x
  3. Step 3: Cross multiply
    791,285.43x = 1,187,028.74 × 251,349.08
  4. Step 4: Simplify right side
    791,285.43x = 298,358,581,732.56
  5. Step 5: Solve for x
    x = 298,358,581,732.56/791,285.43
  6. Step 6: Final answer
    x = 377,055.57

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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.