Home / 992,959.20-1,489,453.38-245,005.20

Finding the Fourth Proportional to 992,959.20, 1,489,453.38 and 245,005.20

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Solution

The fourth proportional to 992,959.20, 1,489,453.38 and 245,005.20 is: 367,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,959.20 : 1,489,453.38 = 245,005.20 : x
  2. Step 2: Convert to fraction form
    992,959.20/1,489,453.38 = 245,005.20/x
  3. Step 3: Cross multiply
    992,959.20x = 1,489,453.38 × 245,005.20
  4. Step 4: Simplify right side
    992,959.20x = 364,923,823,257.58
  5. Step 5: Solve for x
    x = 364,923,823,257.58/992,959.20
  6. Step 6: Final answer
    x = 367,511.40

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Double scale
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Similar ratio
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1.5x scale

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.