Home / 789,298.15-1,183,750.17-309,623.44

Finding the Fourth Proportional to 789,298.15, 1,183,750.17 and 309,623.44

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Solution

The fourth proportional to 789,298.15, 1,183,750.17 and 309,623.44 is: 464,357.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,298.15 : 1,183,750.17 = 309,623.44 : x
  2. Step 2: Convert to fraction form
    789,298.15/1,183,750.17 = 309,623.44/x
  3. Step 3: Cross multiply
    789,298.15x = 1,183,750.17 × 309,623.44
  4. Step 4: Simplify right side
    789,298.15x = 366,516,799,735.99
  5. Step 5: Solve for x
    x = 366,516,799,735.99/789,298.15
  6. Step 6: Final answer
    x = 464,357.86

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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.