Home / 834,623.20-1,251,620.40-302,012.48

Finding the Fourth Proportional to 834,623.20, 1,251,620.40 and 302,012.48

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Solution

The fourth proportional to 834,623.20, 1,251,620.40 and 302,012.48 is: 452,904.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,623.20 : 1,251,620.40 = 302,012.48 : x
  2. Step 2: Convert to fraction form
    834,623.20/1,251,620.40 = 302,012.48/x
  3. Step 3: Cross multiply
    834,623.20x = 1,251,620.40 × 302,012.48
  4. Step 4: Simplify right side
    834,623.20x = 378,004,981,022.59
  5. Step 5: Solve for x
    x = 378,004,981,022.59/834,623.20
  6. Step 6: Final answer
    x = 452,904.95

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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.