Home / 725,441.15-1,001,029.14-419,471.21

Finding the Fourth Proportional to 725,441.15, 1,001,029.14 and 419,471.21

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Solution

The fourth proportional to 725,441.15, 1,001,029.14 and 419,471.21 is: 578,824.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,441.15 : 1,001,029.14 = 419,471.21 : x
  2. Step 2: Convert to fraction form
    725,441.15/1,001,029.14 = 419,471.21/x
  3. Step 3: Cross multiply
    725,441.15x = 1,001,029.14 × 419,471.21
  4. Step 4: Simplify right side
    725,441.15x = 419,902,907,103.63
  5. Step 5: Solve for x
    x = 419,902,907,103.63/725,441.15
  6. Step 6: Final answer
    x = 578,824.22

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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.