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Finding the Fourth Proportional to 447,429.79, 617,452.00 and 243,480.67

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Solution

The fourth proportional to 447,429.79, 617,452.00 and 243,480.67 is: 336,002.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,429.79 : 617,452.00 = 243,480.67 : x
  2. Step 2: Convert to fraction form
    447,429.79/617,452.00 = 243,480.67/x
  3. Step 3: Cross multiply
    447,429.79x = 617,452.00 × 243,480.67
  4. Step 4: Simplify right side
    447,429.79x = 150,337,624,500.51
  5. Step 5: Solve for x
    x = 150,337,624,500.51/447,429.79
  6. Step 6: Final answer
    x = 336,002.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.