Home / 757,874.64-1,045,867.92-418,342.88

Finding the Fourth Proportional to 757,874.64, 1,045,867.92 and 418,342.88

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Solution

The fourth proportional to 757,874.64, 1,045,867.92 and 418,342.88 is: 577,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,874.64 : 1,045,867.92 = 418,342.88 : x
  2. Step 2: Convert to fraction form
    757,874.64/1,045,867.92 = 418,342.88/x
  3. Step 3: Cross multiply
    757,874.64x = 1,045,867.92 × 418,342.88
  4. Step 4: Simplify right side
    757,874.64x = 437,531,397,752.41
  5. Step 5: Solve for x
    x = 437,531,397,752.41/757,874.64
  6. Step 6: Final answer
    x = 577,313.68

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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.