Home / 680,194.43-1,019,450.81-343,331.14

Finding the Fourth Proportional to 680,194.43, 1,019,450.81 and 343,331.14

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Solution

The fourth proportional to 680,194.43, 1,019,450.81 and 343,331.14 is: 514,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,194.43 : 1,019,450.81 = 343,331.14 : x
  2. Step 2: Convert to fraction form
    680,194.43/1,019,450.81 = 343,331.14/x
  3. Step 3: Cross multiply
    680,194.43x = 1,019,450.81 × 343,331.14
  4. Step 4: Simplify right side
    680,194.43x = 350,009,208,992.40
  5. Step 5: Solve for x
    x = 350,009,208,992.40/680,194.43
  6. Step 6: Final answer
    x = 514,572.30

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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.