Home / 855,924.30-1,283,952.06-256,841.82

Finding the Fourth Proportional to 855,924.30, 1,283,952.06 and 256,841.82

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Solution

The fourth proportional to 855,924.30, 1,283,952.06 and 256,841.82 is: 385,282.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,924.30 : 1,283,952.06 = 256,841.82 : x
  2. Step 2: Convert to fraction form
    855,924.30/1,283,952.06 = 256,841.82/x
  3. Step 3: Cross multiply
    855,924.30x = 1,283,952.06 × 256,841.82
  4. Step 4: Simplify right side
    855,924.30x = 329,772,583,883.15
  5. Step 5: Solve for x
    x = 329,772,583,883.15/855,924.30
  6. Step 6: Final answer
    x = 385,282.42

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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.