Home / 791,804.80-1,187,707.20-658,835.20

Finding the Fourth Proportional to 791,804.80, 1,187,707.20 and 658,835.20

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Solution

The fourth proportional to 791,804.80, 1,187,707.20 and 658,835.20 is: 988,252.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,804.80 : 1,187,707.20 = 658,835.20 : x
  2. Step 2: Convert to fraction form
    791,804.80/1,187,707.20 = 658,835.20/x
  3. Step 3: Cross multiply
    791,804.80x = 1,187,707.20 × 658,835.20
  4. Step 4: Simplify right side
    791,804.80x = 782,503,310,653.44
  5. Step 5: Solve for x
    x = 782,503,310,653.44/791,804.80
  6. Step 6: Final answer
    x = 988,252.80

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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.