Home / 609,086.28-913,690.26-209,674.20

Finding the Fourth Proportional to 609,086.28, 913,690.26 and 209,674.20

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Solution

The fourth proportional to 609,086.28, 913,690.26 and 209,674.20 is: 314,532.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,086.28 : 913,690.26 = 209,674.20 : x
  2. Step 2: Convert to fraction form
    609,086.28/913,690.26 = 209,674.20/x
  3. Step 3: Cross multiply
    609,086.28x = 913,690.26 × 209,674.20
  4. Step 4: Simplify right side
    609,086.28x = 191,577,274,313.29
  5. Step 5: Solve for x
    x = 191,577,274,313.29/609,086.28
  6. Step 6: Final answer
    x = 314,532.24

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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.