Home / 908,511.78-1,363,033.74-268,831.68

Finding the Fourth Proportional to 908,511.78, 1,363,033.74 and 268,831.68

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Solution

The fourth proportional to 908,511.78, 1,363,033.74 and 268,831.68 is: 403,326.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,511.78 : 1,363,033.74 = 268,831.68 : x
  2. Step 2: Convert to fraction form
    908,511.78/1,363,033.74 = 268,831.68/x
  3. Step 3: Cross multiply
    908,511.78x = 1,363,033.74 × 268,831.68
  4. Step 4: Simplify right side
    908,511.78x = 366,426,650,220.88
  5. Step 5: Solve for x
    x = 366,426,650,220.88/908,511.78
  6. Step 6: Final answer
    x = 403,326.25

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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.