Home / 855,839.88-1,283,885.00-256,848.38

Finding the Fourth Proportional to 855,839.88, 1,283,885.00 and 256,848.38

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Solution

The fourth proportional to 855,839.88, 1,283,885.00 and 256,848.38 is: 385,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,839.88 : 1,283,885.00 = 256,848.38 : x
  2. Step 2: Convert to fraction form
    855,839.88/1,283,885.00 = 256,848.38/x
  3. Step 3: Cross multiply
    855,839.88x = 1,283,885.00 × 256,848.38
  4. Step 4: Simplify right side
    855,839.88x = 329,763,774,652.63
  5. Step 5: Solve for x
    x = 329,763,774,652.63/855,839.88
  6. Step 6: Final answer
    x = 385,310.13

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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.