Home / 555,783.98-766,982.40-301,135.17

Finding the Fourth Proportional to 555,783.98, 766,982.40 and 301,135.17

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Solution

The fourth proportional to 555,783.98, 766,982.40 and 301,135.17 is: 415,566.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,783.98 : 766,982.40 = 301,135.17 : x
  2. Step 2: Convert to fraction form
    555,783.98/766,982.40 = 301,135.17/x
  3. Step 3: Cross multiply
    555,783.98x = 766,982.40 × 301,135.17
  4. Step 4: Simplify right side
    555,783.98x = 230,965,374,537.54
  5. Step 5: Solve for x
    x = 230,965,374,537.54/555,783.98
  6. Step 6: Final answer
    x = 415,566.81

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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.