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Finding the Fourth Proportional to 479,284.77, 718,380.48 and 299,452.89

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Solution

The fourth proportional to 479,284.77, 718,380.48 and 299,452.89 is: 448,837.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,284.77 : 718,380.48 = 299,452.89 : x
  2. Step 2: Convert to fraction form
    479,284.77/718,380.48 = 299,452.89/x
  3. Step 3: Cross multiply
    479,284.77x = 718,380.48 × 299,452.89
  4. Step 4: Simplify right side
    479,284.77x = 215,121,105,766.42
  5. Step 5: Solve for x
    x = 215,121,105,766.42/479,284.77
  6. Step 6: Final answer
    x = 448,837.77

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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.