Home / 672,801.39-1,009,396.89-199,498.14

Finding the Fourth Proportional to 672,801.39, 1,009,396.89 and 199,498.14

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Solution

The fourth proportional to 672,801.39, 1,009,396.89 and 199,498.14 is: 299,304.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,801.39 : 1,009,396.89 = 199,498.14 : x
  2. Step 2: Convert to fraction form
    672,801.39/1,009,396.89 = 199,498.14/x
  3. Step 3: Cross multiply
    672,801.39x = 1,009,396.89 × 199,498.14
  4. Step 4: Simplify right side
    672,801.39x = 201,372,802,076.79
  5. Step 5: Solve for x
    x = 201,372,802,076.79/672,801.39
  6. Step 6: Final answer
    x = 299,304.97

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Double scale
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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.