Home / 822,309.31-1,233,639.86-245,977.75

Finding the Fourth Proportional to 822,309.31, 1,233,639.86 and 245,977.75

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Solution

The fourth proportional to 822,309.31, 1,233,639.86 and 245,977.75 is: 369,019.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,309.31 : 1,233,639.86 = 245,977.75 : x
  2. Step 2: Convert to fraction form
    822,309.31/1,233,639.86 = 245,977.75/x
  3. Step 3: Cross multiply
    822,309.31x = 1,233,639.86 × 245,977.75
  4. Step 4: Simplify right side
    822,309.31x = 303,447,949,675.03
  5. Step 5: Solve for x
    x = 303,447,949,675.03/822,309.31
  6. Step 6: Final answer
    x = 369,019.23

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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.