Home / 669,649.44-1,004,817.60-328,086.36

Finding the Fourth Proportional to 669,649.44, 1,004,817.60 and 328,086.36

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Solution

The fourth proportional to 669,649.44, 1,004,817.60 and 328,086.36 is: 492,297.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,649.44 : 1,004,817.60 = 328,086.36 : x
  2. Step 2: Convert to fraction form
    669,649.44/1,004,817.60 = 328,086.36/x
  3. Step 3: Cross multiply
    669,649.44x = 1,004,817.60 × 328,086.36
  4. Step 4: Simplify right side
    669,649.44x = 329,666,948,847.94
  5. Step 5: Solve for x
    x = 329,666,948,847.94/669,649.44
  6. Step 6: Final answer
    x = 492,297.80

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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.