Home / 669,780.20-1,004,087.10-403,257.80

Finding the Fourth Proportional to 669,780.20, 1,004,087.10 and 403,257.80

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Solution

The fourth proportional to 669,780.20, 1,004,087.10 and 403,257.80 is: 604,535.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,780.20 : 1,004,087.10 = 403,257.80 : x
  2. Step 2: Convert to fraction form
    669,780.20/1,004,087.10 = 403,257.80/x
  3. Step 3: Cross multiply
    669,780.20x = 1,004,087.10 × 403,257.80
  4. Step 4: Simplify right side
    669,780.20x = 404,905,954,954.38
  5. Step 5: Solve for x
    x = 404,905,954,954.38/669,780.20
  6. Step 6: Final answer
    x = 604,535.57

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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.