Home / 791,918.76-1,092,766.04-486,008.04

Finding the Fourth Proportional to 791,918.76, 1,092,766.04 and 486,008.04

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Solution

The fourth proportional to 791,918.76, 1,092,766.04 and 486,008.04 is: 670,640.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,918.76 : 1,092,766.04 = 486,008.04 : x
  2. Step 2: Convert to fraction form
    791,918.76/1,092,766.04 = 486,008.04/x
  3. Step 3: Cross multiply
    791,918.76x = 1,092,766.04 × 486,008.04
  4. Step 4: Simplify right side
    791,918.76x = 531,093,081,278.96
  5. Step 5: Solve for x
    x = 531,093,081,278.96/791,918.76
  6. Step 6: Final answer
    x = 670,640.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.