Home / 293,786.46-402,784.97-288,472.05

Finding the Fourth Proportional to 293,786.46, 402,784.97 and 288,472.05

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Solution

The fourth proportional to 293,786.46, 402,784.97 and 288,472.05 is: 395,498.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,786.46 : 402,784.97 = 288,472.05 : x
  2. Step 2: Convert to fraction form
    293,786.46/402,784.97 = 288,472.05/x
  3. Step 3: Cross multiply
    293,786.46x = 402,784.97 × 288,472.05
  4. Step 4: Simplify right side
    293,786.46x = 116,192,204,562.73
  5. Step 5: Solve for x
    x = 116,192,204,562.73/293,786.46
  6. Step 6: Final answer
    x = 395,498.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.