Home / 536,131.46-739,236.35-399,928.95

Finding the Fourth Proportional to 536,131.46, 739,236.35 and 399,928.95

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Solution

The fourth proportional to 536,131.46, 739,236.35 and 399,928.95 is: 551,435.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,131.46 : 739,236.35 = 399,928.95 : x
  2. Step 2: Convert to fraction form
    536,131.46/739,236.35 = 399,928.95/x
  3. Step 3: Cross multiply
    536,131.46x = 739,236.35 × 399,928.95
  4. Step 4: Simplify right side
    536,131.46x = 295,642,015,257.69
  5. Step 5: Solve for x
    x = 295,642,015,257.69/536,131.46
  6. Step 6: Final answer
    x = 551,435.68

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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.