Home / 631,133.37-946,708.43-210,409.38

Finding the Fourth Proportional to 631,133.37, 946,708.43 and 210,409.38

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Solution

The fourth proportional to 631,133.37, 946,708.43 and 210,409.38 is: 315,616.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,133.37 : 946,708.43 = 210,409.38 : x
  2. Step 2: Convert to fraction form
    631,133.37/946,708.43 = 210,409.38/x
  3. Step 3: Cross multiply
    631,133.37x = 946,708.43 × 210,409.38
  4. Step 4: Simplify right side
    631,133.37x = 199,196,332,745.03
  5. Step 5: Solve for x
    x = 199,196,332,745.03/631,133.37
  6. Step 6: Final answer
    x = 315,616.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.