Home / 447,427.20-669,585.60-410,102.40

Finding the Fourth Proportional to 447,427.20, 669,585.60 and 410,102.40

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Solution

The fourth proportional to 447,427.20, 669,585.60 and 410,102.40 is: 613,728.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,427.20 : 669,585.60 = 410,102.40 : x
  2. Step 2: Convert to fraction form
    447,427.20/669,585.60 = 410,102.40/x
  3. Step 3: Cross multiply
    447,427.20x = 669,585.60 × 410,102.40
  4. Step 4: Simplify right side
    447,427.20x = 274,598,661,565.44
  5. Step 5: Solve for x
    x = 274,598,661,565.44/447,427.20
  6. Step 6: Final answer
    x = 613,728.14

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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.