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Finding the Fourth Proportional to 447,089.22, 616,670.82 and 303,600.15

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Solution

The fourth proportional to 447,089.22, 616,670.82 and 303,600.15 is: 418,756.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,089.22 : 616,670.82 = 303,600.15 : x
  2. Step 2: Convert to fraction form
    447,089.22/616,670.82 = 303,600.15/x
  3. Step 3: Cross multiply
    447,089.22x = 616,670.82 × 303,600.15
  4. Step 4: Simplify right side
    447,089.22x = 187,221,353,452.62
  5. Step 5: Solve for x
    x = 187,221,353,452.62/447,089.22
  6. Step 6: Final answer
    x = 418,756.13

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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.