Home / 789,298.64-1,183,750.92-309,623.93

Finding the Fourth Proportional to 789,298.64, 1,183,750.92 and 309,623.93

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Solution

The fourth proportional to 789,298.64, 1,183,750.92 and 309,623.93 is: 464,358.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,298.64 : 1,183,750.92 = 309,623.93 : x
  2. Step 2: Convert to fraction form
    789,298.64/1,183,750.92 = 309,623.93/x
  3. Step 3: Cross multiply
    789,298.64x = 1,183,750.92 × 309,623.93
  4. Step 4: Simplify right side
    789,298.64x = 366,517,611,991.52
  5. Step 5: Solve for x
    x = 366,517,611,991.52/789,298.64
  6. Step 6: Final answer
    x = 464,358.60

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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.