Home / 828,905.80-1,243,973.10-548,329.80

Finding the Fourth Proportional to 828,905.80, 1,243,973.10 and 548,329.80

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Solution

The fourth proportional to 828,905.80, 1,243,973.10 and 548,329.80 is: 822,901.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,905.80 : 1,243,973.10 = 548,329.80 : x
  2. Step 2: Convert to fraction form
    828,905.80/1,243,973.10 = 548,329.80/x
  3. Step 3: Cross multiply
    828,905.80x = 1,243,973.10 × 548,329.80
  4. Step 4: Simplify right side
    828,905.80x = 682,107,521,128.38
  5. Step 5: Solve for x
    x = 682,107,521,128.38/828,905.80
  6. Step 6: Final answer
    x = 822,901.13

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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.