Home / 492,623.04-679,818.78-266,268

Finding the Fourth Proportional to 492,623.04, 679,818.78 and 266,268

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Solution

The fourth proportional to 492,623.04, 679,818.78 and 266,268 is: 367,449.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,623.04 : 679,818.78 = 266,268 : x
  2. Step 2: Convert to fraction form
    492,623.04/679,818.78 = 266,268/x
  3. Step 3: Cross multiply
    492,623.04x = 679,818.78 × 266,268
  4. Step 4: Simplify right side
    492,623.04x = 181,013,986,913.04
  5. Step 5: Solve for x
    x = 181,013,986,913.04/492,623.04
  6. Step 6: Final answer
    x = 367,449.29

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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.