Home / 823,759.13-1,236,143.75-368,735.10

Finding the Fourth Proportional to 823,759.13, 1,236,143.75 and 368,735.10

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Solution

The fourth proportional to 823,759.13, 1,236,143.75 and 368,735.10 is: 553,328.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,759.13 : 1,236,143.75 = 368,735.10 : x
  2. Step 2: Convert to fraction form
    823,759.13/1,236,143.75 = 368,735.10/x
  3. Step 3: Cross multiply
    823,759.13x = 1,236,143.75 × 368,735.10
  4. Step 4: Simplify right side
    823,759.13x = 455,809,587,426.95
  5. Step 5: Solve for x
    x = 455,809,587,426.95/823,759.13
  6. Step 6: Final answer
    x = 553,328.73

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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.