Home / 828,024.53-1,240,769.29-557,149.49

Finding the Fourth Proportional to 828,024.53, 1,240,769.29 and 557,149.49

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Solution

The fourth proportional to 828,024.53, 1,240,769.29 and 557,149.49 is: 834,871.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,024.53 : 1,240,769.29 = 557,149.49 : x
  2. Step 2: Convert to fraction form
    828,024.53/1,240,769.29 = 557,149.49/x
  3. Step 3: Cross multiply
    828,024.53x = 1,240,769.29 × 557,149.49
  4. Step 4: Simplify right side
    828,024.53x = 691,293,975,231.98
  5. Step 5: Solve for x
    x = 691,293,975,231.98/828,024.53
  6. Step 6: Final answer
    x = 834,871.38

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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.