Home / 494,811.76-742,439.07-284,449.69

Finding the Fourth Proportional to 494,811.76, 742,439.07 and 284,449.69

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Solution

The fourth proportional to 494,811.76, 742,439.07 and 284,449.69 is: 426,801.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,811.76 : 742,439.07 = 284,449.69 : x
  2. Step 2: Convert to fraction form
    494,811.76/742,439.07 = 284,449.69/x
  3. Step 3: Cross multiply
    494,811.76x = 742,439.07 × 284,449.69
  4. Step 4: Simplify right side
    494,811.76x = 211,186,563,305.39
  5. Step 5: Solve for x
    x = 211,186,563,305.39/494,811.76
  6. Step 6: Final answer
    x = 426,801.83

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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.