Home / 789,346.84-1,183,823.16-309,672.40

Finding the Fourth Proportional to 789,346.84, 1,183,823.16 and 309,672.40

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Solution

The fourth proportional to 789,346.84, 1,183,823.16 and 309,672.40 is: 464,431.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,346.84 : 1,183,823.16 = 309,672.40 : x
  2. Step 2: Convert to fraction form
    789,346.84/1,183,823.16 = 309,672.40/x
  3. Step 3: Cross multiply
    789,346.84x = 1,183,823.16 × 309,672.40
  4. Step 4: Simplify right side
    789,346.84x = 366,597,359,132.78
  5. Step 5: Solve for x
    x = 366,597,359,132.78/789,346.84
  6. Step 6: Final answer
    x = 464,431.27

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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.