Home / 763,961.82-1,054,267.08-419,819.94

Finding the Fourth Proportional to 763,961.82, 1,054,267.08 and 419,819.94

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Solution

The fourth proportional to 763,961.82, 1,054,267.08 and 419,819.94 is: 579,351.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,961.82 : 1,054,267.08 = 419,819.94 : x
  2. Step 2: Convert to fraction form
    763,961.82/1,054,267.08 = 419,819.94/x
  3. Step 3: Cross multiply
    763,961.82x = 1,054,267.08 × 419,819.94
  4. Step 4: Simplify right side
    763,961.82x = 442,602,342,269.58
  5. Step 5: Solve for x
    x = 442,602,342,269.58/763,961.82
  6. Step 6: Final answer
    x = 579,351.39

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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.