Home / 492,986.50-680,321.61-266,631.94

Finding the Fourth Proportional to 492,986.50, 680,321.61 and 266,631.94

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Solution

The fourth proportional to 492,986.50, 680,321.61 and 266,631.94 is: 367,952.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,986.50 : 680,321.61 = 266,631.94 : x
  2. Step 2: Convert to fraction form
    492,986.50/680,321.61 = 266,631.94/x
  3. Step 3: Cross multiply
    492,986.50x = 680,321.61 × 266,631.94
  4. Step 4: Simplify right side
    492,986.50x = 181,395,470,698.22
  5. Step 5: Solve for x
    x = 181,395,470,698.22/492,986.50
  6. Step 6: Final answer
    x = 367,952.21

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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.