Home / 725,855.44-1,001,679.60-403,555.36

Finding the Fourth Proportional to 725,855.44, 1,001,679.60 and 403,555.36

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Solution

The fourth proportional to 725,855.44, 1,001,679.60 and 403,555.36 is: 556,905.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,855.44 : 1,001,679.60 = 403,555.36 : x
  2. Step 2: Convert to fraction form
    725,855.44/1,001,679.60 = 403,555.36/x
  3. Step 3: Cross multiply
    725,855.44x = 1,001,679.60 × 403,555.36
  4. Step 4: Simplify right side
    725,855.44x = 404,233,171,582.66
  5. Step 5: Solve for x
    x = 404,233,171,582.66/725,855.44
  6. Step 6: Final answer
    x = 556,905.89

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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.