Home / 626,402.73-864,435.77-339,922.82

Finding the Fourth Proportional to 626,402.73, 864,435.77 and 339,922.82

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Solution

The fourth proportional to 626,402.73, 864,435.77 and 339,922.82 is: 469,093.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,402.73 : 864,435.77 = 339,922.82 : x
  2. Step 2: Convert to fraction form
    626,402.73/864,435.77 = 339,922.82/x
  3. Step 3: Cross multiply
    626,402.73x = 864,435.77 × 339,922.82
  4. Step 4: Simplify right side
    626,402.73x = 293,841,438,625.48
  5. Step 5: Solve for x
    x = 293,841,438,625.48/626,402.73
  6. Step 6: Final answer
    x = 469,093.48

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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.