Home / 743,613.21-1,026,201.42-404,103.33

Finding the Fourth Proportional to 743,613.21, 1,026,201.42 and 404,103.33

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Solution

The fourth proportional to 743,613.21, 1,026,201.42 and 404,103.33 is: 557,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,613.21 : 1,026,201.42 = 404,103.33 : x
  2. Step 2: Convert to fraction form
    743,613.21/1,026,201.42 = 404,103.33/x
  3. Step 3: Cross multiply
    743,613.21x = 1,026,201.42 × 404,103.33
  4. Step 4: Simplify right side
    743,613.21x = 414,691,411,072.73
  5. Step 5: Solve for x
    x = 414,691,411,072.73/743,613.21
  6. Step 6: Final answer
    x = 557,670.85

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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.