Home / 775,456.88-1,163,268.74-326,223.45

Finding the Fourth Proportional to 775,456.88, 1,163,268.74 and 326,223.45

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Solution

The fourth proportional to 775,456.88, 1,163,268.74 and 326,223.45 is: 489,370.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,456.88 : 1,163,268.74 = 326,223.45 : x
  2. Step 2: Convert to fraction form
    775,456.88/1,163,268.74 = 326,223.45/x
  3. Step 3: Cross multiply
    775,456.88x = 1,163,268.74 × 326,223.45
  4. Step 4: Simplify right side
    775,456.88x = 379,485,542,455.51
  5. Step 5: Solve for x
    x = 379,485,542,455.51/775,456.88
  6. Step 6: Final answer
    x = 489,370.27

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1.5x scale

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.