Home / 823,619.82-1,235,140.26-247,071.18

Finding the Fourth Proportional to 823,619.82, 1,235,140.26 and 247,071.18

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Solution

The fourth proportional to 823,619.82, 1,235,140.26 and 247,071.18 is: 370,519.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,619.82 : 1,235,140.26 = 247,071.18 : x
  2. Step 2: Convert to fraction form
    823,619.82/1,235,140.26 = 247,071.18/x
  3. Step 3: Cross multiply
    823,619.82x = 1,235,140.26 × 247,071.18
  4. Step 4: Simplify right side
    823,619.82x = 305,167,561,503.71
  5. Step 5: Solve for x
    x = 305,167,561,503.71/823,619.82
  6. Step 6: Final answer
    x = 370,519.93

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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.