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Finding the Fourth Proportional to 504,209.04, 756,310.80 and 290,838.64

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Solution

The fourth proportional to 504,209.04, 756,310.80 and 290,838.64 is: 436,256.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,209.04 : 756,310.80 = 290,838.64 : x
  2. Step 2: Convert to fraction form
    504,209.04/756,310.80 = 290,838.64/x
  3. Step 3: Cross multiply
    504,209.04x = 756,310.80 × 290,838.64
  4. Step 4: Simplify right side
    504,209.04x = 219,964,404,489.31
  5. Step 5: Solve for x
    x = 219,964,404,489.31/504,209.04
  6. Step 6: Final answer
    x = 436,256.37

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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.