Home / 638,831.80-957,902.10-264,892.60

Finding the Fourth Proportional to 638,831.80, 957,902.10 and 264,892.60

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Solution

The fourth proportional to 638,831.80, 957,902.10 and 264,892.60 is: 397,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,831.80 : 957,902.10 = 264,892.60 : x
  2. Step 2: Convert to fraction form
    638,831.80/957,902.10 = 264,892.60/x
  3. Step 3: Cross multiply
    638,831.80x = 957,902.10 × 264,892.60
  4. Step 4: Simplify right side
    638,831.80x = 253,741,177,814.46
  5. Step 5: Solve for x
    x = 253,741,177,814.46/638,831.80
  6. Step 6: Final answer
    x = 397,195.60

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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.