Home / 631,412.20-871,337.85-344,924.92

Finding the Fourth Proportional to 631,412.20, 871,337.85 and 344,924.92

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Solution

The fourth proportional to 631,412.20, 871,337.85 and 344,924.92 is: 475,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,412.20 : 871,337.85 = 344,924.92 : x
  2. Step 2: Convert to fraction form
    631,412.20/871,337.85 = 344,924.92/x
  3. Step 3: Cross multiply
    631,412.20x = 871,337.85 × 344,924.92
  4. Step 4: Simplify right side
    631,412.20x = 300,546,138,204.22
  5. Step 5: Solve for x
    x = 300,546,138,204.22/631,412.20
  6. Step 6: Final answer
    x = 475,990.39

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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.