Home / 631,265.24-871,150.65-344,785.33

Finding the Fourth Proportional to 631,265.24, 871,150.65 and 344,785.33

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Solution

The fourth proportional to 631,265.24, 871,150.65 and 344,785.33 is: 475,806.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,265.24 : 871,150.65 = 344,785.33 : x
  2. Step 2: Convert to fraction form
    631,265.24/871,150.65 = 344,785.33/x
  3. Step 3: Cross multiply
    631,265.24x = 871,150.65 × 344,785.33
  4. Step 4: Simplify right side
    631,265.24x = 300,359,964,339.97
  5. Step 5: Solve for x
    x = 300,359,964,339.97/631,265.24
  6. Step 6: Final answer
    x = 475,806.28

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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.