Home / 631,266.24-871,152.03-344,786.33

Finding the Fourth Proportional to 631,266.24, 871,152.03 and 344,786.33

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Solution

The fourth proportional to 631,266.24, 871,152.03 and 344,786.33 is: 475,807.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,266.24 : 871,152.03 = 344,786.33 : x
  2. Step 2: Convert to fraction form
    631,266.24/871,152.03 = 344,786.33/x
  3. Step 3: Cross multiply
    631,266.24x = 871,152.03 × 344,786.33
  4. Step 4: Simplify right side
    631,266.24x = 300,361,311,295.75
  5. Step 5: Solve for x
    x = 300,361,311,295.75/631,266.24
  6. Step 6: Final answer
    x = 475,807.66

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Double scale
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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.