Home / 909,504.21-1,364,023.60-269,658.33

Finding the Fourth Proportional to 909,504.21, 1,364,023.60 and 269,658.33

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Solution

The fourth proportional to 909,504.21, 1,364,023.60 and 269,658.33 is: 404,418.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,504.21 : 1,364,023.60 = 269,658.33 : x
  2. Step 2: Convert to fraction form
    909,504.21/1,364,023.60 = 269,658.33/x
  3. Step 3: Cross multiply
    909,504.21x = 1,364,023.60 × 269,658.33
  4. Step 4: Simplify right side
    909,504.21x = 367,820,326,056.59
  5. Step 5: Solve for x
    x = 367,820,326,056.59/909,504.21
  6. Step 6: Final answer
    x = 404,418.50

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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.