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Finding the Fourth Proportional to 416,624.48, 574,711.58 and 339,183.42

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Solution

The fourth proportional to 416,624.48, 574,711.58 and 339,183.42 is: 467,885.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,624.48 : 574,711.58 = 339,183.42 : x
  2. Step 2: Convert to fraction form
    416,624.48/574,711.58 = 339,183.42/x
  3. Step 3: Cross multiply
    416,624.48x = 574,711.58 × 339,183.42
  4. Step 4: Simplify right side
    416,624.48x = 194,932,639,218.00
  5. Step 5: Solve for x
    x = 194,932,639,218.00/416,624.48
  6. Step 6: Final answer
    x = 467,885.71

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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.