Home / 805,265.25-1,111,287.22-442,698.24

Finding the Fourth Proportional to 805,265.25, 1,111,287.22 and 442,698.24

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Solution

The fourth proportional to 805,265.25, 1,111,287.22 and 442,698.24 is: 610,935.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,265.25 : 1,111,287.22 = 442,698.24 : x
  2. Step 2: Convert to fraction form
    805,265.25/1,111,287.22 = 442,698.24/x
  3. Step 3: Cross multiply
    805,265.25x = 1,111,287.22 × 442,698.24
  4. Step 4: Simplify right side
    805,265.25x = 491,964,891,357.68
  5. Step 5: Solve for x
    x = 491,964,891,357.68/805,265.25
  6. Step 6: Final answer
    x = 610,935.21

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Double scale
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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.