Home / 808,706.97-1,212,931.62-268,918.29

Finding the Fourth Proportional to 808,706.97, 1,212,931.62 and 268,918.29

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Solution

The fourth proportional to 808,706.97, 1,212,931.62 and 268,918.29 is: 403,334.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,706.97 : 1,212,931.62 = 268,918.29 : x
  2. Step 2: Convert to fraction form
    808,706.97/1,212,931.62 = 268,918.29/x
  3. Step 3: Cross multiply
    808,706.97x = 1,212,931.62 × 268,918.29
  4. Step 4: Simplify right side
    808,706.97x = 326,179,497,137.33
  5. Step 5: Solve for x
    x = 326,179,497,137.33/808,706.97
  6. Step 6: Final answer
    x = 403,334.59

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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.