Home / 741,209.09-1,022,978.25-469,302.26

Finding the Fourth Proportional to 741,209.09, 1,022,978.25 and 469,302.26

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Solution

The fourth proportional to 741,209.09, 1,022,978.25 and 469,302.26 is: 647,706.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,209.09 : 1,022,978.25 = 469,302.26 : x
  2. Step 2: Convert to fraction form
    741,209.09/1,022,978.25 = 469,302.26/x
  3. Step 3: Cross multiply
    741,209.09x = 1,022,978.25 × 469,302.26
  4. Step 4: Simplify right side
    741,209.09x = 480,085,999,540.95
  5. Step 5: Solve for x
    x = 480,085,999,540.95/741,209.09
  6. Step 6: Final answer
    x = 647,706.58

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1.5x scale

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.