Home / 753,005.43-1,039,145.36-451,199.43

Finding the Fourth Proportional to 753,005.43, 1,039,145.36 and 451,199.43

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Solution

The fourth proportional to 753,005.43, 1,039,145.36 and 451,199.43 is: 622,653.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,005.43 : 1,039,145.36 = 451,199.43 : x
  2. Step 2: Convert to fraction form
    753,005.43/1,039,145.36 = 451,199.43/x
  3. Step 3: Cross multiply
    753,005.43x = 1,039,145.36 × 451,199.43
  4. Step 4: Simplify right side
    753,005.43x = 468,861,791,863.15
  5. Step 5: Solve for x
    x = 468,861,791,863.15/753,005.43
  6. Step 6: Final answer
    x = 622,653.93

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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.