Home / 669,645.93-1,004,812.34-328,082.85

Finding the Fourth Proportional to 669,645.93, 1,004,812.34 and 328,082.85

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Solution

The fourth proportional to 669,645.93, 1,004,812.34 and 328,082.85 is: 492,292.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,645.93 : 1,004,812.34 = 328,082.85 : x
  2. Step 2: Convert to fraction form
    669,645.93/1,004,812.34 = 328,082.85/x
  3. Step 3: Cross multiply
    669,645.93x = 1,004,812.34 × 328,082.85
  4. Step 4: Simplify right side
    669,645.93x = 329,661,694,581.96
  5. Step 5: Solve for x
    x = 329,661,694,581.96/669,645.93
  6. Step 6: Final answer
    x = 492,292.54

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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.