Home / 808,640.16-1,212,831.66-268,851.57

Finding the Fourth Proportional to 808,640.16, 1,212,831.66 and 268,851.57

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Solution

The fourth proportional to 808,640.16, 1,212,831.66 and 268,851.57 is: 403,234.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,640.16 : 1,212,831.66 = 268,851.57 : x
  2. Step 2: Convert to fraction form
    808,640.16/1,212,831.66 = 268,851.57/x
  3. Step 3: Cross multiply
    808,640.16x = 1,212,831.66 × 268,851.57
  4. Step 4: Simplify right side
    808,640.16x = 326,071,695,936.71
  5. Step 5: Solve for x
    x = 326,071,695,936.71/808,640.16
  6. Step 6: Final answer
    x = 403,234.61

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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.