Home / 804,927.80-1,206,009.30-425,286.20

Finding the Fourth Proportional to 804,927.80, 1,206,009.30 and 425,286.20

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Solution

The fourth proportional to 804,927.80, 1,206,009.30 and 425,286.20 is: 637,198.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,927.80 : 1,206,009.30 = 425,286.20 : x
  2. Step 2: Convert to fraction form
    804,927.80/1,206,009.30 = 425,286.20/x
  3. Step 3: Cross multiply
    804,927.80x = 1,206,009.30 × 425,286.20
  4. Step 4: Simplify right side
    804,927.80x = 512,899,112,361.66
  5. Step 5: Solve for x
    x = 512,899,112,361.66/804,927.80
  6. Step 6: Final answer
    x = 637,198.90

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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.