Home / 685,994.82-1,029,107.96-236,595.48

Finding the Fourth Proportional to 685,994.82, 1,029,107.96 and 236,595.48

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Solution

The fourth proportional to 685,994.82, 1,029,107.96 and 236,595.48 is: 354,933.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,994.82 : 1,029,107.96 = 236,595.48 : x
  2. Step 2: Convert to fraction form
    685,994.82/1,029,107.96 = 236,595.48/x
  3. Step 3: Cross multiply
    685,994.82x = 1,029,107.96 × 236,595.48
  4. Step 4: Simplify right side
    685,994.82x = 243,482,291,768.02
  5. Step 5: Solve for x
    x = 243,482,291,768.02/685,994.82
  6. Step 6: Final answer
    x = 354,933.13

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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.