Home / 807,450.90-1,211,176.34-238,787.69

Finding the Fourth Proportional to 807,450.90, 1,211,176.34 and 238,787.69

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Solution

The fourth proportional to 807,450.90, 1,211,176.34 and 238,787.69 is: 358,181.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,450.90 : 1,211,176.34 = 238,787.69 : x
  2. Step 2: Convert to fraction form
    807,450.90/1,211,176.34 = 238,787.69/x
  3. Step 3: Cross multiply
    807,450.90x = 1,211,176.34 × 238,787.69
  4. Step 4: Simplify right side
    807,450.90x = 289,213,993,161.43
  5. Step 5: Solve for x
    x = 289,213,993,161.43/807,450.90
  6. Step 6: Final answer
    x = 358,181.52

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Similar ratio
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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.