Home / 828,597.80-1,239,786.30-548,661.80

Finding the Fourth Proportional to 828,597.80, 1,239,786.30 and 548,661.80

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Solution

The fourth proportional to 828,597.80, 1,239,786.30 and 548,661.80 is: 820,933.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,597.80 : 1,239,786.30 = 548,661.80 : x
  2. Step 2: Convert to fraction form
    828,597.80/1,239,786.30 = 548,661.80/x
  3. Step 3: Cross multiply
    828,597.80x = 1,239,786.30 × 548,661.80
  4. Step 4: Simplify right side
    828,597.80x = 680,223,382,973.34
  5. Step 5: Solve for x
    x = 680,223,382,973.34/828,597.80
  6. Step 6: Final answer
    x = 820,933.13

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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.