Home / 684,993.09-945,267.24-379,082.41

Finding the Fourth Proportional to 684,993.09, 945,267.24 and 379,082.41

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Solution

The fourth proportional to 684,993.09, 945,267.24 and 379,082.41 is: 523,120.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,993.09 : 945,267.24 = 379,082.41 : x
  2. Step 2: Convert to fraction form
    684,993.09/945,267.24 = 379,082.41/x
  3. Step 3: Cross multiply
    684,993.09x = 945,267.24 × 379,082.41
  4. Step 4: Simplify right side
    684,993.09x = 358,334,183,433.25
  5. Step 5: Solve for x
    x = 358,334,183,433.25/684,993.09
  6. Step 6: Final answer
    x = 523,120.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.