Home / 740,950.60-1,022,512.89-401,418.85

Finding the Fourth Proportional to 740,950.60, 1,022,512.89 and 401,418.85

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Solution

The fourth proportional to 740,950.60, 1,022,512.89 and 401,418.85 is: 553,958.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,950.60 : 1,022,512.89 = 401,418.85 : x
  2. Step 2: Convert to fraction form
    740,950.60/1,022,512.89 = 401,418.85/x
  3. Step 3: Cross multiply
    740,950.60x = 1,022,512.89 × 401,418.85
  4. Step 4: Simplify right side
    740,950.60x = 410,455,948,413.98
  5. Step 5: Solve for x
    x = 410,455,948,413.98/740,950.60
  6. Step 6: Final answer
    x = 553,958.59

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1.5x scale

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.