Home / 832,078.78-1,248,118.17-200,992.59

Finding the Fourth Proportional to 832,078.78, 1,248,118.17 and 200,992.59

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Solution

The fourth proportional to 832,078.78, 1,248,118.17 and 200,992.59 is: 301,488.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,078.78 : 1,248,118.17 = 200,992.59 : x
  2. Step 2: Convert to fraction form
    832,078.78/1,248,118.17 = 200,992.59/x
  3. Step 3: Cross multiply
    832,078.78x = 1,248,118.17 × 200,992.59
  4. Step 4: Simplify right side
    832,078.78x = 250,862,502,860.64
  5. Step 5: Solve for x
    x = 250,862,502,860.64/832,078.78
  6. Step 6: Final answer
    x = 301,488.89

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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.