Home / 828,894.38-1,243,341.57-267,928.88

Finding the Fourth Proportional to 828,894.38, 1,243,341.57 and 267,928.88

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Solution

The fourth proportional to 828,894.38, 1,243,341.57 and 267,928.88 is: 401,893.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,894.38 : 1,243,341.57 = 267,928.88 : x
  2. Step 2: Convert to fraction form
    828,894.38/1,243,341.57 = 267,928.88/x
  3. Step 3: Cross multiply
    828,894.38x = 1,243,341.57 × 267,928.88
  4. Step 4: Simplify right side
    828,894.38x = 333,127,108,090.83
  5. Step 5: Solve for x
    x = 333,127,108,090.83/828,894.38
  6. Step 6: Final answer
    x = 401,893.31

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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.