Home / 932,745.20-1,287,150.36-550,895.60

Finding the Fourth Proportional to 932,745.20, 1,287,150.36 and 550,895.60

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Solution

The fourth proportional to 932,745.20, 1,287,150.36 and 550,895.60 is: 760,213.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,745.20 : 1,287,150.36 = 550,895.60 : x
  2. Step 2: Convert to fraction form
    932,745.20/1,287,150.36 = 550,895.60/x
  3. Step 3: Cross multiply
    932,745.20x = 1,287,150.36 × 550,895.60
  4. Step 4: Simplify right side
    932,745.20x = 709,085,469,862.42
  5. Step 5: Solve for x
    x = 709,085,469,862.42/932,745.20
  6. Step 6: Final answer
    x = 760,213.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.