Home / 743,548.62-1,026,103.38-404,016.86

Finding the Fourth Proportional to 743,548.62, 1,026,103.38 and 404,016.86

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Solution

The fourth proportional to 743,548.62, 1,026,103.38 and 404,016.86 is: 557,546.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,548.62 : 1,026,103.38 = 404,016.86 : x
  2. Step 2: Convert to fraction form
    743,548.62/1,026,103.38 = 404,016.86/x
  3. Step 3: Cross multiply
    743,548.62x = 1,026,103.38 × 404,016.86
  4. Step 4: Simplify right side
    743,548.62x = 414,563,065,622.99
  5. Step 5: Solve for x
    x = 414,563,065,622.99/743,548.62
  6. Step 6: Final answer
    x = 557,546.68

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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.