Home / 420,359.46-580,110.05-229,383.33

Finding the Fourth Proportional to 420,359.46, 580,110.05 and 229,383.33

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Solution

The fourth proportional to 420,359.46, 580,110.05 and 229,383.33 is: 316,556.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,359.46 : 580,110.05 = 229,383.33 : x
  2. Step 2: Convert to fraction form
    420,359.46/580,110.05 = 229,383.33/x
  3. Step 3: Cross multiply
    420,359.46x = 580,110.05 × 229,383.33
  4. Step 4: Simplify right side
    420,359.46x = 133,067,573,888.55
  5. Step 5: Solve for x
    x = 133,067,573,888.55/420,359.46
  6. Step 6: Final answer
    x = 316,556.63

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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.