Home / 457,147.52-630,716.96-296,126

Finding the Fourth Proportional to 457,147.52, 630,716.96 and 296,126

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Solution

The fourth proportional to 457,147.52, 630,716.96 and 296,126 is: 408,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,147.52 : 630,716.96 = 296,126 : x
  2. Step 2: Convert to fraction form
    457,147.52/630,716.96 = 296,126/x
  3. Step 3: Cross multiply
    457,147.52x = 630,716.96 × 296,126
  4. Step 4: Simplify right side
    457,147.52x = 186,771,690,496.96
  5. Step 5: Solve for x
    x = 186,771,690,496.96/457,147.52
  6. Step 6: Final answer
    x = 408,558.91

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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.