Home / 492,786.20-680,044.38-266,431.16

Finding the Fourth Proportional to 492,786.20, 680,044.38 and 266,431.16

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Solution

The fourth proportional to 492,786.20, 680,044.38 and 266,431.16 is: 367,674.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,786.20 : 680,044.38 = 266,431.16 : x
  2. Step 2: Convert to fraction form
    492,786.20/680,044.38 = 266,431.16/x
  3. Step 3: Cross multiply
    492,786.20x = 680,044.38 × 266,431.16
  4. Step 4: Simplify right side
    492,786.20x = 181,185,013,014.88
  5. Step 5: Solve for x
    x = 181,185,013,014.88/492,786.20
  6. Step 6: Final answer
    x = 367,674.69

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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.