Home / 741,002.64-1,022,570.26-418,705.80

Finding the Fourth Proportional to 741,002.64, 1,022,570.26 and 418,705.80

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Solution

The fourth proportional to 741,002.64, 1,022,570.26 and 418,705.80 is: 577,806.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,002.64 : 1,022,570.26 = 418,705.80 : x
  2. Step 2: Convert to fraction form
    741,002.64/1,022,570.26 = 418,705.80/x
  3. Step 3: Cross multiply
    741,002.64x = 1,022,570.26 × 418,705.80
  4. Step 4: Simplify right side
    741,002.64x = 428,156,098,769.51
  5. Step 5: Solve for x
    x = 428,156,098,769.51/741,002.64
  6. Step 6: Final answer
    x = 577,806.44

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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.