Home / 805,042.80-1,110,959.96-442,466.55

Finding the Fourth Proportional to 805,042.80, 1,110,959.96 and 442,466.55

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Solution

The fourth proportional to 805,042.80, 1,110,959.96 and 442,466.55 is: 610,604.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,042.80 : 1,110,959.96 = 442,466.55 : x
  2. Step 2: Convert to fraction form
    805,042.80/1,110,959.96 = 442,466.55/x
  3. Step 3: Cross multiply
    805,042.80x = 1,110,959.96 × 442,466.55
  4. Step 4: Simplify right side
    805,042.80x = 491,562,618,477.01
  5. Step 5: Solve for x
    x = 491,562,618,477.01/805,042.80
  6. Step 6: Final answer
    x = 610,604.33

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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.