Home / 631,244.83-871,104.39-344,766.07

Finding the Fourth Proportional to 631,244.83, 871,104.39 and 344,766.07

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Solution

The fourth proportional to 631,244.83, 871,104.39 and 344,766.07 is: 475,769.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,244.83 : 871,104.39 = 344,766.07 : x
  2. Step 2: Convert to fraction form
    631,244.83/871,104.39 = 344,766.07/x
  3. Step 3: Cross multiply
    631,244.83x = 871,104.39 × 344,766.07
  4. Step 4: Simplify right side
    631,244.83x = 300,327,237,100.05
  5. Step 5: Solve for x
    x = 300,327,237,100.05/631,244.83
  6. Step 6: Final answer
    x = 475,769.82

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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.