Home / 725,345.27-1,001,104.07-419,373.03

Finding the Fourth Proportional to 725,345.27, 1,001,104.07 and 419,373.03

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Solution

The fourth proportional to 725,345.27, 1,001,104.07 and 419,373.03 is: 578,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,345.27 : 1,001,104.07 = 419,373.03 : x
  2. Step 2: Convert to fraction form
    725,345.27/1,001,104.07 = 419,373.03/x
  3. Step 3: Cross multiply
    725,345.27x = 1,001,104.07 × 419,373.03
  4. Step 4: Simplify right side
    725,345.27x = 419,836,047,181.23
  5. Step 5: Solve for x
    x = 419,836,047,181.23/725,345.27
  6. Step 6: Final answer
    x = 578,808.55

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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.