Home / 684,034.58-943,930.82-378,092.72

Finding the Fourth Proportional to 684,034.58, 943,930.82 and 378,092.72

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Solution

The fourth proportional to 684,034.58, 943,930.82 and 378,092.72 is: 521,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,034.58 : 943,930.82 = 378,092.72 : x
  2. Step 2: Convert to fraction form
    684,034.58/943,930.82 = 378,092.72/x
  3. Step 3: Cross multiply
    684,034.58x = 943,930.82 × 378,092.72
  4. Step 4: Simplify right side
    684,034.58x = 356,893,371,225.63
  5. Step 5: Solve for x
    x = 356,893,371,225.63/684,034.58
  6. Step 6: Final answer
    x = 521,747.56

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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.