Home / 996,740.26-1,374,928.33-629,086.70

Finding the Fourth Proportional to 996,740.26, 1,374,928.33 and 629,086.70

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Solution

The fourth proportional to 996,740.26, 1,374,928.33 and 629,086.70 is: 867,777.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,740.26 : 1,374,928.33 = 629,086.70 : x
  2. Step 2: Convert to fraction form
    996,740.26/1,374,928.33 = 629,086.70/x
  3. Step 3: Cross multiply
    996,740.26x = 1,374,928.33 × 629,086.70
  4. Step 4: Simplify right side
    996,740.26x = 864,949,118,981.57
  5. Step 5: Solve for x
    x = 864,949,118,981.57/996,740.26
  6. Step 6: Final answer
    x = 867,777.85

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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.