Home / 725,923.50-1,001,657.79-419,996.22

Finding the Fourth Proportional to 725,923.50, 1,001,657.79 and 419,996.22

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Solution

The fourth proportional to 725,923.50, 1,001,657.79 and 419,996.22 is: 579,527.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,923.50 : 1,001,657.79 = 419,996.22 : x
  2. Step 2: Convert to fraction form
    725,923.50/1,001,657.79 = 419,996.22/x
  3. Step 3: Cross multiply
    725,923.50x = 1,001,657.79 × 419,996.22
  4. Step 4: Simplify right side
    725,923.50x = 420,692,485,533.55
  5. Step 5: Solve for x
    x = 420,692,485,533.55/725,923.50
  6. Step 6: Final answer
    x = 579,527.30

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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.