Home / 741,035.16-1,022,615.09-418,738.32

Finding the Fourth Proportional to 741,035.16, 1,022,615.09 and 418,738.32

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Solution

The fourth proportional to 741,035.16, 1,022,615.09 and 418,738.32 is: 577,851.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,035.16 : 1,022,615.09 = 418,738.32 : x
  2. Step 2: Convert to fraction form
    741,035.16/1,022,615.09 = 418,738.32/x
  3. Step 3: Cross multiply
    741,035.16x = 1,022,615.09 × 418,738.32
  4. Step 4: Simplify right side
    741,035.16x = 428,208,124,793.25
  5. Step 5: Solve for x
    x = 428,208,124,793.25/741,035.16
  6. Step 6: Final answer
    x = 577,851.29

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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.