Home / 609,401.22-913,541.94-209,947.02

Finding the Fourth Proportional to 609,401.22, 913,541.94 and 209,947.02

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Solution

The fourth proportional to 609,401.22, 913,541.94 and 209,947.02 is: 314,727.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,401.22 : 913,541.94 = 209,947.02 : x
  2. Step 2: Convert to fraction form
    609,401.22/913,541.94 = 209,947.02/x
  3. Step 3: Cross multiply
    609,401.22x = 913,541.94 × 209,947.02
  4. Step 4: Simplify right side
    609,401.22x = 191,795,407,948.02
  5. Step 5: Solve for x
    x = 191,795,407,948.02/609,401.22
  6. Step 6: Final answer
    x = 314,727.64

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1.5x scale

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.