Home / 684,086.56-1,026,351.33-329,054.38

Finding the Fourth Proportional to 684,086.56, 1,026,351.33 and 329,054.38

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Solution

The fourth proportional to 684,086.56, 1,026,351.33 and 329,054.38 is: 493,688.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,086.56 : 1,026,351.33 = 329,054.38 : x
  2. Step 2: Convert to fraction form
    684,086.56/1,026,351.33 = 329,054.38/x
  3. Step 3: Cross multiply
    684,086.56x = 1,026,351.33 × 329,054.38
  4. Step 4: Simplify right side
    684,086.56x = 337,725,400,555.33
  5. Step 5: Solve for x
    x = 337,725,400,555.33/684,086.56
  6. Step 6: Final answer
    x = 493,688.11

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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.