Home / 865,257.84-1,297,932.96-266,630.16

Finding the Fourth Proportional to 865,257.84, 1,297,932.96 and 266,630.16

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Solution

The fourth proportional to 865,257.84, 1,297,932.96 and 266,630.16 is: 399,959.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,257.84 : 1,297,932.96 = 266,630.16 : x
  2. Step 2: Convert to fraction form
    865,257.84/1,297,932.96 = 266,630.16/x
  3. Step 3: Cross multiply
    865,257.84x = 1,297,932.96 × 266,630.16
  4. Step 4: Simplify right side
    865,257.84x = 346,068,072,794.07
  5. Step 5: Solve for x
    x = 346,068,072,794.07/865,257.84
  6. Step 6: Final answer
    x = 399,959.48

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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.