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Finding the Fourth Proportional to 463,515.52, 639,660.48 and 302,473.60

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Solution

The fourth proportional to 463,515.52, 639,660.48 and 302,473.60 is: 417,419.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,515.52 : 639,660.48 = 302,473.60 : x
  2. Step 2: Convert to fraction form
    463,515.52/639,660.48 = 302,473.60/x
  3. Step 3: Cross multiply
    463,515.52x = 639,660.48 × 302,473.60
  4. Step 4: Simplify right side
    463,515.52x = 193,480,408,163.33
  5. Step 5: Solve for x
    x = 193,480,408,163.33/463,515.52
  6. Step 6: Final answer
    x = 417,419.48

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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.