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Finding the Fourth Proportional to 447,757.60, 672,003.60 and 444,258.40

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Solution

The fourth proportional to 447,757.60, 672,003.60 and 444,258.40 is: 666,751.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,757.60 : 672,003.60 = 444,258.40 : x
  2. Step 2: Convert to fraction form
    447,757.60/672,003.60 = 444,258.40/x
  3. Step 3: Cross multiply
    447,757.60x = 672,003.60 × 444,258.40
  4. Step 4: Simplify right side
    447,757.60x = 298,543,244,130.24
  5. Step 5: Solve for x
    x = 298,543,244,130.24/447,757.60
  6. Step 6: Final answer
    x = 666,751.93

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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.