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Finding the Fourth Proportional to 447,439.20, 669,603.60 and 410,114.40

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Solution

The fourth proportional to 447,439.20, 669,603.60 and 410,114.40 is: 613,746.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,439.20 : 669,603.60 = 410,114.40 : x
  2. Step 2: Convert to fraction form
    447,439.20/669,603.60 = 410,114.40/x
  3. Step 3: Cross multiply
    447,439.20x = 669,603.60 × 410,114.40
  4. Step 4: Simplify right side
    447,439.20x = 274,614,078,651.84
  5. Step 5: Solve for x
    x = 274,614,078,651.84/447,439.20
  6. Step 6: Final answer
    x = 613,746.13

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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.