Home / 446,129.20-669,712.20-268,836.40

Finding the Fourth Proportional to 446,129.20, 669,712.20 and 268,836.40

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Solution

The fourth proportional to 446,129.20, 669,712.20 and 268,836.40 is: 403,566.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,129.20 : 669,712.20 = 268,836.40 : x
  2. Step 2: Convert to fraction form
    446,129.20/669,712.20 = 268,836.40/x
  3. Step 3: Cross multiply
    446,129.20x = 669,712.20 × 268,836.40
  4. Step 4: Simplify right side
    446,129.20x = 180,043,016,884.08
  5. Step 5: Solve for x
    x = 180,043,016,884.08/446,129.20
  6. Step 6: Final answer
    x = 403,566.99

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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.