Home / 825,031.09-1,237,547.67-225,997.44

Finding the Fourth Proportional to 825,031.09, 1,237,547.67 and 225,997.44

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Solution

The fourth proportional to 825,031.09, 1,237,547.67 and 225,997.44 is: 338,996.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,031.09 : 1,237,547.67 = 225,997.44 : x
  2. Step 2: Convert to fraction form
    825,031.09/1,237,547.67 = 225,997.44/x
  3. Step 3: Cross multiply
    825,031.09x = 1,237,547.67 × 225,997.44
  4. Step 4: Simplify right side
    825,031.09x = 279,682,606,770.88
  5. Step 5: Solve for x
    x = 279,682,606,770.88/825,031.09
  6. Step 6: Final answer
    x = 338,996.44

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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.