Home / 804,855.20-1,205,900.40-383,223.20

Finding the Fourth Proportional to 804,855.20, 1,205,900.40 and 383,223.20

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Solution

The fourth proportional to 804,855.20, 1,205,900.40 and 383,223.20 is: 574,176.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,855.20 : 1,205,900.40 = 383,223.20 : x
  2. Step 2: Convert to fraction form
    804,855.20/1,205,900.40 = 383,223.20/x
  3. Step 3: Cross multiply
    804,855.20x = 1,205,900.40 × 383,223.20
  4. Step 4: Simplify right side
    804,855.20x = 462,129,010,169.28
  5. Step 5: Solve for x
    x = 462,129,010,169.28/804,855.20
  6. Step 6: Final answer
    x = 574,176.59

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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.