Home / 609,255.45-840,660.46-351,096.20

Finding the Fourth Proportional to 609,255.45, 840,660.46 and 351,096.20

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Solution

The fourth proportional to 609,255.45, 840,660.46 and 351,096.20 is: 484,448.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,255.45 : 840,660.46 = 351,096.20 : x
  2. Step 2: Convert to fraction form
    609,255.45/840,660.46 = 351,096.20/x
  3. Step 3: Cross multiply
    609,255.45x = 840,660.46 × 351,096.20
  4. Step 4: Simplify right side
    609,255.45x = 295,152,692,996.25
  5. Step 5: Solve for x
    x = 295,152,692,996.25/609,255.45
  6. Step 6: Final answer
    x = 484,448.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.