Home / 835,813.20-1,253,162.68-303,265.04

Finding the Fourth Proportional to 835,813.20, 1,253,162.68 and 303,265.04

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Solution

The fourth proportional to 835,813.20, 1,253,162.68 and 303,265.04 is: 454,695.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,813.20 : 1,253,162.68 = 303,265.04 : x
  2. Step 2: Convert to fraction form
    835,813.20/1,253,162.68 = 303,265.04/x
  3. Step 3: Cross multiply
    835,813.20x = 1,253,162.68 × 303,265.04
  4. Step 4: Simplify right side
    835,813.20x = 380,040,430,276.71
  5. Step 5: Solve for x
    x = 380,040,430,276.71/835,813.20
  6. Step 6: Final answer
    x = 454,695.42

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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.