Home / 741,151.08-1,022,412.78-468,760.23

Finding the Fourth Proportional to 741,151.08, 1,022,412.78 and 468,760.23

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Solution

The fourth proportional to 741,151.08, 1,022,412.78 and 468,760.23 is: 646,651.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,151.08 : 1,022,412.78 = 468,760.23 : x
  2. Step 2: Convert to fraction form
    741,151.08/1,022,412.78 = 468,760.23/x
  3. Step 3: Cross multiply
    741,151.08x = 1,022,412.78 × 468,760.23
  4. Step 4: Simplify right side
    741,151.08x = 479,266,449,907.74
  5. Step 5: Solve for x
    x = 479,266,449,907.74/741,151.08
  6. Step 6: Final answer
    x = 646,651.49

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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.