Home / 693,082.36-1,039,622.82-260,880.54

Finding the Fourth Proportional to 693,082.36, 1,039,622.82 and 260,880.54

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Solution

The fourth proportional to 693,082.36, 1,039,622.82 and 260,880.54 is: 391,320.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,082.36 : 1,039,622.82 = 260,880.54 : x
  2. Step 2: Convert to fraction form
    693,082.36/1,039,622.82 = 260,880.54/x
  3. Step 3: Cross multiply
    693,082.36x = 1,039,622.82 × 260,880.54
  4. Step 4: Simplify right side
    693,082.36x = 271,217,362,677.92
  5. Step 5: Solve for x
    x = 271,217,362,677.92/693,082.36
  6. Step 6: Final answer
    x = 391,320.54

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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.