Home / 809,518.33-1,214,055.79-304,040.22

Finding the Fourth Proportional to 809,518.33, 1,214,055.79 and 304,040.22

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Solution

The fourth proportional to 809,518.33, 1,214,055.79 and 304,040.22 is: 455,977.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,518.33 : 1,214,055.79 = 304,040.22 : x
  2. Step 2: Convert to fraction form
    809,518.33/1,214,055.79 = 304,040.22/x
  3. Step 3: Cross multiply
    809,518.33x = 1,214,055.79 × 304,040.22
  4. Step 4: Simplify right side
    809,518.33x = 369,121,789,483.87
  5. Step 5: Solve for x
    x = 369,121,789,483.87/809,518.33
  6. Step 6: Final answer
    x = 455,977.06

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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.