Home / 804,417.80-1,206,540.30-213,441.80

Finding the Fourth Proportional to 804,417.80, 1,206,540.30 and 213,441.80

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Solution

The fourth proportional to 804,417.80, 1,206,540.30 and 213,441.80 is: 320,139.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,417.80 : 1,206,540.30 = 213,441.80 : x
  2. Step 2: Convert to fraction form
    804,417.80/1,206,540.30 = 213,441.80/x
  3. Step 3: Cross multiply
    804,417.80x = 1,206,540.30 × 213,441.80
  4. Step 4: Simplify right side
    804,417.80x = 257,526,133,404.54
  5. Step 5: Solve for x
    x = 257,526,133,404.54/804,417.80
  6. Step 6: Final answer
    x = 320,139.77

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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.