Home / 417,738.89-576,480.36-226,752.23

Finding the Fourth Proportional to 417,738.89, 576,480.36 and 226,752.23

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Solution

The fourth proportional to 417,738.89, 576,480.36 and 226,752.23 is: 312,918.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,738.89 : 576,480.36 = 226,752.23 : x
  2. Step 2: Convert to fraction form
    417,738.89/576,480.36 = 226,752.23/x
  3. Step 3: Cross multiply
    417,738.89x = 576,480.36 × 226,752.23
  4. Step 4: Simplify right side
    417,738.89x = 130,718,204,298.80
  5. Step 5: Solve for x
    x = 130,718,204,298.80/417,738.89
  6. Step 6: Final answer
    x = 312,918.45

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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.