Home / 735,243.13-1,102,080.61-419,019.13

Finding the Fourth Proportional to 735,243.13, 1,102,080.61 and 419,019.13

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Solution

The fourth proportional to 735,243.13, 1,102,080.61 and 419,019.13 is: 628,081.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,243.13 : 1,102,080.61 = 419,019.13 : x
  2. Step 2: Convert to fraction form
    735,243.13/1,102,080.61 = 419,019.13/x
  3. Step 3: Cross multiply
    735,243.13x = 1,102,080.61 × 419,019.13
  4. Step 4: Simplify right side
    735,243.13x = 461,792,858,392.07
  5. Step 5: Solve for x
    x = 461,792,858,392.07/735,243.13
  6. Step 6: Final answer
    x = 628,081.84

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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.