Home / 447,428.20-669,587.10-410,103.40

Finding the Fourth Proportional to 447,428.20, 669,587.10 and 410,103.40

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Solution

The fourth proportional to 447,428.20, 669,587.10 and 410,103.40 is: 613,729.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,428.20 : 669,587.10 = 410,103.40 : x
  2. Step 2: Convert to fraction form
    447,428.20/669,587.10 = 410,103.40/x
  3. Step 3: Cross multiply
    447,428.20x = 669,587.10 × 410,103.40
  4. Step 4: Simplify right side
    447,428.20x = 274,599,946,306.14
  5. Step 5: Solve for x
    x = 274,599,946,306.14/447,428.20
  6. Step 6: Final answer
    x = 613,729.64

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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.