Home / 907,981.95-1,361,969.28-276,893.94

Finding the Fourth Proportional to 907,981.95, 1,361,969.28 and 276,893.94

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Solution

The fourth proportional to 907,981.95, 1,361,969.28 and 276,893.94 is: 415,339.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,981.95 : 1,361,969.28 = 276,893.94 : x
  2. Step 2: Convert to fraction form
    907,981.95/1,361,969.28 = 276,893.94/x
  3. Step 3: Cross multiply
    907,981.95x = 1,361,969.28 × 276,893.94
  4. Step 4: Simplify right side
    907,981.95x = 377,121,040,098.16
  5. Step 5: Solve for x
    x = 377,121,040,098.16/907,981.95
  6. Step 6: Final answer
    x = 415,339.80

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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.