Home / 828,571.80-1,239,747.30-548,635.80

Finding the Fourth Proportional to 828,571.80, 1,239,747.30 and 548,635.80

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Solution

The fourth proportional to 828,571.80, 1,239,747.30 and 548,635.80 is: 820,894.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,571.80 : 1,239,747.30 = 548,635.80 : x
  2. Step 2: Convert to fraction form
    828,571.80/1,239,747.30 = 548,635.80/x
  3. Step 3: Cross multiply
    828,571.80x = 1,239,747.30 × 548,635.80
  4. Step 4: Simplify right side
    828,571.80x = 680,169,751,733.34
  5. Step 5: Solve for x
    x = 680,169,751,733.34/828,571.80
  6. Step 6: Final answer
    x = 820,894.16

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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.