Home / 670,198.80-1,005,298.20-403,822.20

Finding the Fourth Proportional to 670,198.80, 1,005,298.20 and 403,822.20

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Solution

The fourth proportional to 670,198.80, 1,005,298.20 and 403,822.20 is: 605,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,198.80 : 1,005,298.20 = 403,822.20 : x
  2. Step 2: Convert to fraction form
    670,198.80/1,005,298.20 = 403,822.20/x
  3. Step 3: Cross multiply
    670,198.80x = 1,005,298.20 × 403,822.20
  4. Step 4: Simplify right side
    670,198.80x = 405,961,730,780.04
  5. Step 5: Solve for x
    x = 405,961,730,780.04/670,198.80
  6. Step 6: Final answer
    x = 605,733.30

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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.