Home / 808,198.36-1,212,297.54-807,031.96

Finding the Fourth Proportional to 808,198.36, 1,212,297.54 and 807,031.96

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Solution

The fourth proportional to 808,198.36, 1,212,297.54 and 807,031.96 is: 1,210,547.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,198.36 : 1,212,297.54 = 807,031.96 : x
  2. Step 2: Convert to fraction form
    808,198.36/1,212,297.54 = 807,031.96/x
  3. Step 3: Cross multiply
    808,198.36x = 1,212,297.54 × 807,031.96
  4. Step 4: Simplify right side
    808,198.36x = 978,362,859,809.38
  5. Step 5: Solve for x
    x = 978,362,859,809.38/808,198.36
  6. Step 6: Final answer
    x = 1,210,547.94

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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.