Home / 741,018.23-1,022,591.83-418,721.36

Finding the Fourth Proportional to 741,018.23, 1,022,591.83 and 418,721.36

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Solution

The fourth proportional to 741,018.23, 1,022,591.83 and 418,721.36 is: 577,827.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,018.23 : 1,022,591.83 = 418,721.36 : x
  2. Step 2: Convert to fraction form
    741,018.23/1,022,591.83 = 418,721.36/x
  3. Step 3: Cross multiply
    741,018.23x = 1,022,591.83 × 418,721.36
  4. Step 4: Simplify right side
    741,018.23x = 428,181,039,688.88
  5. Step 5: Solve for x
    x = 428,181,039,688.88/741,018.23
  6. Step 6: Final answer
    x = 577,827.95

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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.