Home / 827,884.98-1,142,484.48-465,324.12

Finding the Fourth Proportional to 827,884.98, 1,142,484.48 and 465,324.12

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Solution

The fourth proportional to 827,884.98, 1,142,484.48 and 465,324.12 is: 642,149.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,884.98 : 1,142,484.48 = 465,324.12 : x
  2. Step 2: Convert to fraction form
    827,884.98/1,142,484.48 = 465,324.12/x
  3. Step 3: Cross multiply
    827,884.98x = 1,142,484.48 × 465,324.12
  4. Step 4: Simplify right side
    827,884.98x = 531,625,585,269.66
  5. Step 5: Solve for x
    x = 531,625,585,269.66/827,884.98
  6. Step 6: Final answer
    x = 642,149.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.