Home / 669,644.43-1,004,810.09-328,081.35

Finding the Fourth Proportional to 669,644.43, 1,004,810.09 and 328,081.35

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Solution

The fourth proportional to 669,644.43, 1,004,810.09 and 328,081.35 is: 492,290.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,644.43 : 1,004,810.09 = 328,081.35 : x
  2. Step 2: Convert to fraction form
    669,644.43/1,004,810.09 = 328,081.35/x
  3. Step 3: Cross multiply
    669,644.43x = 1,004,810.09 × 328,081.35
  4. Step 4: Simplify right side
    669,644.43x = 329,659,452,948.45
  5. Step 5: Solve for x
    x = 329,659,452,948.45/669,644.43
  6. Step 6: Final answer
    x = 492,290.30

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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.