Home / 762,845.92-1,052,740.73-418,714.04

Finding the Fourth Proportional to 762,845.92, 1,052,740.73 and 418,714.04

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Solution

The fourth proportional to 762,845.92, 1,052,740.73 and 418,714.04 is: 577,832.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,845.92 : 1,052,740.73 = 418,714.04 : x
  2. Step 2: Convert to fraction form
    762,845.92/1,052,740.73 = 418,714.04/x
  3. Step 3: Cross multiply
    762,845.92x = 1,052,740.73 × 418,714.04
  4. Step 4: Simplify right side
    762,845.92x = 440,797,324,130.85
  5. Step 5: Solve for x
    x = 440,797,324,130.85/762,845.92
  6. Step 6: Final answer
    x = 577,832.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.