Home / 703,883.42-1,053,208.47-419,728.33

Finding the Fourth Proportional to 703,883.42, 1,053,208.47 and 419,728.33

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Solution

The fourth proportional to 703,883.42, 1,053,208.47 and 419,728.33 is: 628,032.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,883.42 : 1,053,208.47 = 419,728.33 : x
  2. Step 2: Convert to fraction form
    703,883.42/1,053,208.47 = 419,728.33/x
  3. Step 3: Cross multiply
    703,883.42x = 1,053,208.47 × 419,728.33
  4. Step 4: Simplify right side
    703,883.42x = 442,061,435,145.45
  5. Step 5: Solve for x
    x = 442,061,435,145.45/703,883.42
  6. Step 6: Final answer
    x = 628,032.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.