Home / 718,996.55-1,078,349.92-263,432.61

Finding the Fourth Proportional to 718,996.55, 1,078,349.92 and 263,432.61

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Solution

The fourth proportional to 718,996.55, 1,078,349.92 and 263,432.61 is: 395,095.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,996.55 : 1,078,349.92 = 263,432.61 : x
  2. Step 2: Convert to fraction form
    718,996.55/1,078,349.92 = 263,432.61/x
  3. Step 3: Cross multiply
    718,996.55x = 1,078,349.92 × 263,432.61
  4. Step 4: Simplify right side
    718,996.55x = 284,072,533,260.31
  5. Step 5: Solve for x
    x = 284,072,533,260.31/718,996.55
  6. Step 6: Final answer
    x = 395,095.83

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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.