Home / 789,166.32-1,183,619.88-339,766.20

Finding the Fourth Proportional to 789,166.32, 1,183,619.88 and 339,766.20

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Solution

The fourth proportional to 789,166.32, 1,183,619.88 and 339,766.20 is: 509,593.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,166.32 : 1,183,619.88 = 339,766.20 : x
  2. Step 2: Convert to fraction form
    789,166.32/1,183,619.88 = 339,766.20/x
  3. Step 3: Cross multiply
    789,166.32x = 1,183,619.88 × 339,766.20
  4. Step 4: Simplify right side
    789,166.32x = 402,154,028,872.06
  5. Step 5: Solve for x
    x = 402,154,028,872.06/789,166.32
  6. Step 6: Final answer
    x = 509,593.50

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Double scale
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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.