Home / 545,481.80-817,942.46-292,974.74

Finding the Fourth Proportional to 545,481.80, 817,942.46 and 292,974.74

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Solution

The fourth proportional to 545,481.80, 817,942.46 and 292,974.74 is: 439,311.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,481.80 : 817,942.46 = 292,974.74 : x
  2. Step 2: Convert to fraction form
    545,481.80/817,942.46 = 292,974.74/x
  3. Step 3: Cross multiply
    545,481.80x = 817,942.46 × 292,974.74
  4. Step 4: Simplify right side
    545,481.80x = 239,636,479,553.46
  5. Step 5: Solve for x
    x = 239,636,479,553.46/545,481.80
  6. Step 6: Final answer
    x = 439,311.59

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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.