Home / 828,600.80-1,242,026.40-322,966.40

Finding the Fourth Proportional to 828,600.80, 1,242,026.40 and 322,966.40

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Solution

The fourth proportional to 828,600.80, 1,242,026.40 and 322,966.40 is: 484,108.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,600.80 : 1,242,026.40 = 322,966.40 : x
  2. Step 2: Convert to fraction form
    828,600.80/1,242,026.40 = 322,966.40/x
  3. Step 3: Cross multiply
    828,600.80x = 1,242,026.40 × 322,966.40
  4. Step 4: Simplify right side
    828,600.80x = 401,132,795,112.96
  5. Step 5: Solve for x
    x = 401,132,795,112.96/828,600.80
  6. Step 6: Final answer
    x = 484,108.63

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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.