Home / 789,234.49-1,183,844.31-340,272.55

Finding the Fourth Proportional to 789,234.49, 1,183,844.31 and 340,272.55

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Solution

The fourth proportional to 789,234.49, 1,183,844.31 and 340,272.55 is: 510,405.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,234.49 : 1,183,844.31 = 340,272.55 : x
  2. Step 2: Convert to fraction form
    789,234.49/1,183,844.31 = 340,272.55/x
  3. Step 3: Cross multiply
    789,234.49x = 1,183,844.31 × 340,272.55
  4. Step 4: Simplify right side
    789,234.49x = 402,829,722,166.69
  5. Step 5: Solve for x
    x = 402,829,722,166.69/789,234.49
  6. Step 6: Final answer
    x = 510,405.62

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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.