Home / 492,986.34-680,321.21-266,631.84

Finding the Fourth Proportional to 492,986.34, 680,321.21 and 266,631.84

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Solution

The fourth proportional to 492,986.34, 680,321.21 and 266,631.84 is: 367,951.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,986.34 : 680,321.21 = 266,631.84 : x
  2. Step 2: Convert to fraction form
    492,986.34/680,321.21 = 266,631.84/x
  3. Step 3: Cross multiply
    492,986.34x = 680,321.21 × 266,631.84
  4. Step 4: Simplify right side
    492,986.34x = 181,395,294,680.17
  5. Step 5: Solve for x
    x = 181,395,294,680.17/492,986.34
  6. Step 6: Final answer
    x = 367,951.97

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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.