Home / 823,619.31-1,235,139.52-247,070.68

Finding the Fourth Proportional to 823,619.31, 1,235,139.52 and 247,070.68

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Solution

The fourth proportional to 823,619.31, 1,235,139.52 and 247,070.68 is: 370,519.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,619.31 : 1,235,139.52 = 247,070.68 : x
  2. Step 2: Convert to fraction form
    823,619.31/1,235,139.52 = 247,070.68/x
  3. Step 3: Cross multiply
    823,619.31x = 1,235,139.52 × 247,070.68
  4. Step 4: Simplify right side
    823,619.31x = 305,166,761,101.27
  5. Step 5: Solve for x
    x = 305,166,761,101.27/823,619.31
  6. Step 6: Final answer
    x = 370,519.19

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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.