Home / 381,037.86-571,440.06-263,464.74

Finding the Fourth Proportional to 381,037.86, 571,440.06 and 263,464.74

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Solution

The fourth proportional to 381,037.86, 571,440.06 and 263,464.74 is: 395,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,037.86 : 571,440.06 = 263,464.74 : x
  2. Step 2: Convert to fraction form
    381,037.86/571,440.06 = 263,464.74/x
  3. Step 3: Cross multiply
    381,037.86x = 571,440.06 × 263,464.74
  4. Step 4: Simplify right side
    381,037.86x = 150,554,306,833.48
  5. Step 5: Solve for x
    x = 150,554,306,833.48/381,037.86
  6. Step 6: Final answer
    x = 395,116.40

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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.