Home / 791,285.31-1,187,028.55-251,348.96

Finding the Fourth Proportional to 791,285.31, 1,187,028.55 and 251,348.96

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Solution

The fourth proportional to 791,285.31, 1,187,028.55 and 251,348.96 is: 377,055.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,285.31 : 1,187,028.55 = 251,348.96 : x
  2. Step 2: Convert to fraction form
    791,285.31/1,187,028.55 = 251,348.96/x
  3. Step 3: Cross multiply
    791,285.31x = 1,187,028.55 × 251,348.96
  4. Step 4: Simplify right side
    791,285.31x = 298,358,385,597.67
  5. Step 5: Solve for x
    x = 298,358,385,597.67/791,285.31
  6. Step 6: Final answer
    x = 377,055.38

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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.