Home / 484,939.91-669,207.65-331,974.30

Finding the Fourth Proportional to 484,939.91, 669,207.65 and 331,974.30

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Solution

The fourth proportional to 484,939.91, 669,207.65 and 331,974.30 is: 458,118.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,939.91 : 669,207.65 = 331,974.30 : x
  2. Step 2: Convert to fraction form
    484,939.91/669,207.65 = 331,974.30/x
  3. Step 3: Cross multiply
    484,939.91x = 669,207.65 × 331,974.30
  4. Step 4: Simplify right side
    484,939.91x = 222,159,739,182.44
  5. Step 5: Solve for x
    x = 222,159,739,182.44/484,939.91
  6. Step 6: Final answer
    x = 458,118.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.