Home / 793,923.87-1,190,883.38-320,603.61

Finding the Fourth Proportional to 793,923.87, 1,190,883.38 and 320,603.61

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Solution

The fourth proportional to 793,923.87, 1,190,883.38 and 320,603.61 is: 480,904.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,923.87 : 1,190,883.38 = 320,603.61 : x
  2. Step 2: Convert to fraction form
    793,923.87/1,190,883.38 = 320,603.61/x
  3. Step 3: Cross multiply
    793,923.87x = 1,190,883.38 × 320,603.61
  4. Step 4: Simplify right side
    793,923.87x = 381,801,509,113.98
  5. Step 5: Solve for x
    x = 381,801,509,113.98/793,923.87
  6. Step 6: Final answer
    x = 480,904.43

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1.5x scale

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.