Home / 793,607.80-1,190,168.70-261,005.80

Finding the Fourth Proportional to 793,607.80, 1,190,168.70 and 261,005.80

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Solution

The fourth proportional to 793,607.80, 1,190,168.70 and 261,005.80 is: 391,428.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,607.80 : 1,190,168.70 = 261,005.80 : x
  2. Step 2: Convert to fraction form
    793,607.80/1,190,168.70 = 261,005.80/x
  3. Step 3: Cross multiply
    793,607.80x = 1,190,168.70 × 261,005.80
  4. Step 4: Simplify right side
    793,607.80x = 310,640,933,678.46
  5. Step 5: Solve for x
    x = 310,640,933,678.46/793,607.80
  6. Step 6: Final answer
    x = 391,428.78

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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.