Home / 807,920.96-1,212,058.82-239,346.58

Finding the Fourth Proportional to 807,920.96, 1,212,058.82 and 239,346.58

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Solution

The fourth proportional to 807,920.96, 1,212,058.82 and 239,346.58 is: 359,072.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,920.96 : 1,212,058.82 = 239,346.58 : x
  2. Step 2: Convert to fraction form
    807,920.96/1,212,058.82 = 239,346.58/x
  3. Step 3: Cross multiply
    807,920.96x = 1,212,058.82 × 239,346.58
  4. Step 4: Simplify right side
    807,920.96x = 290,102,133,166.67
  5. Step 5: Solve for x
    x = 290,102,133,166.67/807,920.96
  6. Step 6: Final answer
    x = 359,072.42

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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.