Home / 791,913.77-1,092,759.15-486,003.03

Finding the Fourth Proportional to 791,913.77, 1,092,759.15 and 486,003.03

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Solution

The fourth proportional to 791,913.77, 1,092,759.15 and 486,003.03 is: 670,633.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,913.77 : 1,092,759.15 = 486,003.03 : x
  2. Step 2: Convert to fraction form
    791,913.77/1,092,759.15 = 486,003.03/x
  3. Step 3: Cross multiply
    791,913.77x = 1,092,759.15 × 486,003.03
  4. Step 4: Simplify right side
    791,913.77x = 531,084,257,960.23
  5. Step 5: Solve for x
    x = 531,084,257,960.23/791,913.77
  6. Step 6: Final answer
    x = 670,633.95

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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.