Home / 669,752.20-1,004,045.10-403,229.80

Finding the Fourth Proportional to 669,752.20, 1,004,045.10 and 403,229.80

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Solution

The fourth proportional to 669,752.20, 1,004,045.10 and 403,229.80 is: 604,493.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,752.20 : 1,004,045.10 = 403,229.80 : x
  2. Step 2: Convert to fraction form
    669,752.20/1,004,045.10 = 403,229.80/x
  3. Step 3: Cross multiply
    669,752.20x = 1,004,045.10 × 403,229.80
  4. Step 4: Simplify right side
    669,752.20x = 404,860,904,863.98
  5. Step 5: Solve for x
    x = 404,860,904,863.98/669,752.20
  6. Step 6: Final answer
    x = 604,493.58

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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.