Home / 828,787.83-1,243,181.75-548,239.47

Finding the Fourth Proportional to 828,787.83, 1,243,181.75 and 548,239.47

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Solution

The fourth proportional to 828,787.83, 1,243,181.75 and 548,239.47 is: 822,359.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,787.83 : 1,243,181.75 = 548,239.47 : x
  2. Step 2: Convert to fraction form
    828,787.83/1,243,181.75 = 548,239.47/x
  3. Step 3: Cross multiply
    828,787.83x = 1,243,181.75 × 548,239.47
  4. Step 4: Simplify right side
    828,787.83x = 681,561,300,992.48
  5. Step 5: Solve for x
    x = 681,561,300,992.48/828,787.83
  6. Step 6: Final answer
    x = 822,359.21

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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.