Home / 813,443.04-1,122,540.39-450,859.23

Finding the Fourth Proportional to 813,443.04, 1,122,540.39 and 450,859.23

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Solution

The fourth proportional to 813,443.04, 1,122,540.39 and 450,859.23 is: 622,179.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,443.04 : 1,122,540.39 = 450,859.23 : x
  2. Step 2: Convert to fraction form
    813,443.04/1,122,540.39 = 450,859.23/x
  3. Step 3: Cross multiply
    813,443.04x = 1,122,540.39 × 450,859.23
  4. Step 4: Simplify right side
    813,443.04x = 506,107,695,879.30
  5. Step 5: Solve for x
    x = 506,107,695,879.30/813,443.04
  6. Step 6: Final answer
    x = 622,179.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.