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Finding the Fourth Proportional to 449,150.40, 673,725.60 and 407,816.10

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Solution

The fourth proportional to 449,150.40, 673,725.60 and 407,816.10 is: 611,724.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,150.40 : 673,725.60 = 407,816.10 : x
  2. Step 2: Convert to fraction form
    449,150.40/673,725.60 = 407,816.10/x
  3. Step 3: Cross multiply
    449,150.40x = 673,725.60 × 407,816.10
  4. Step 4: Simplify right side
    449,150.40x = 274,756,146,662.16
  5. Step 5: Solve for x
    x = 274,756,146,662.16/449,150.40
  6. Step 6: Final answer
    x = 611,724.15

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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.