Home / 669,899.80-1,004,849.70-404,179.30

Finding the Fourth Proportional to 669,899.80, 1,004,849.70 and 404,179.30

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Solution

The fourth proportional to 669,899.80, 1,004,849.70 and 404,179.30 is: 606,268.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,899.80 : 1,004,849.70 = 404,179.30 : x
  2. Step 2: Convert to fraction form
    669,899.80/1,004,849.70 = 404,179.30/x
  3. Step 3: Cross multiply
    669,899.80x = 1,004,849.70 × 404,179.30
  4. Step 4: Simplify right side
    669,899.80x = 406,139,448,351.21
  5. Step 5: Solve for x
    x = 406,139,448,351.21/669,899.80
  6. Step 6: Final answer
    x = 606,268.95

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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.