Home / 626,553.09-864,620.10-340,067.04

Finding the Fourth Proportional to 626,553.09, 864,620.10 and 340,067.04

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Solution

The fourth proportional to 626,553.09, 864,620.10 and 340,067.04 is: 469,279.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,553.09 : 864,620.10 = 340,067.04 : x
  2. Step 2: Convert to fraction form
    626,553.09/864,620.10 = 340,067.04/x
  3. Step 3: Cross multiply
    626,553.09x = 864,620.10 × 340,067.04
  4. Step 4: Simplify right side
    626,553.09x = 294,028,798,131.50
  5. Step 5: Solve for x
    x = 294,028,798,131.50/626,553.09
  6. Step 6: Final answer
    x = 469,279.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.