Home / 741,480.60-1,023,203.48-419,171.48

Finding the Fourth Proportional to 741,480.60, 1,023,203.48 and 419,171.48

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Solution

The fourth proportional to 741,480.60, 1,023,203.48 and 419,171.48 is: 578,434.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,480.60 : 1,023,203.48 = 419,171.48 : x
  2. Step 2: Convert to fraction form
    741,480.60/1,023,203.48 = 419,171.48/x
  3. Step 3: Cross multiply
    741,480.60x = 1,023,203.48 × 419,171.48
  4. Step 4: Simplify right side
    741,480.60x = 428,897,709,840.88
  5. Step 5: Solve for x
    x = 428,897,709,840.88/741,480.60
  6. Step 6: Final answer
    x = 578,434.16

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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.