Home / 447,770.60-672,023.10-444,271.40

Finding the Fourth Proportional to 447,770.60, 672,023.10 and 444,271.40

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Solution

The fourth proportional to 447,770.60, 672,023.10 and 444,271.40 is: 666,771.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,770.60 : 672,023.10 = 444,271.40 : x
  2. Step 2: Convert to fraction form
    447,770.60/672,023.10 = 444,271.40/x
  3. Step 3: Cross multiply
    447,770.60x = 672,023.10 × 444,271.40
  4. Step 4: Simplify right side
    447,770.60x = 298,560,643,469.34
  5. Step 5: Solve for x
    x = 298,560,643,469.34/447,770.60
  6. Step 6: Final answer
    x = 666,771.43

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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.