Home / 684,632.56-1,027,193.88-305,519.92

Finding the Fourth Proportional to 684,632.56, 1,027,193.88 and 305,519.92

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Solution

The fourth proportional to 684,632.56, 1,027,193.88 and 305,519.92 is: 458,389.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,632.56 : 1,027,193.88 = 305,519.92 : x
  2. Step 2: Convert to fraction form
    684,632.56/1,027,193.88 = 305,519.92/x
  3. Step 3: Cross multiply
    684,632.56x = 1,027,193.88 × 305,519.92
  4. Step 4: Simplify right side
    684,632.56x = 313,828,192,042.09
  5. Step 5: Solve for x
    x = 313,828,192,042.09/684,632.56
  6. Step 6: Final answer
    x = 458,389.23

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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.