Home / 621,721.44-858,007.08-367,067.16

Finding the Fourth Proportional to 621,721.44, 858,007.08 and 367,067.16

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Solution

The fourth proportional to 621,721.44, 858,007.08 and 367,067.16 is: 506,571.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,721.44 : 858,007.08 = 367,067.16 : x
  2. Step 2: Convert to fraction form
    621,721.44/858,007.08 = 367,067.16/x
  3. Step 3: Cross multiply
    621,721.44x = 858,007.08 × 367,067.16
  4. Step 4: Simplify right side
    621,721.44x = 314,946,222,115.49
  5. Step 5: Solve for x
    x = 314,946,222,115.49/621,721.44
  6. Step 6: Final answer
    x = 506,571.27

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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.