Home / 699,115.97-1,048,009.55-445,685.19

Finding the Fourth Proportional to 699,115.97, 1,048,009.55 and 445,685.19

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Solution

The fourth proportional to 699,115.97, 1,048,009.55 and 445,685.19 is: 668,104.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,115.97 : 1,048,009.55 = 445,685.19 : x
  2. Step 2: Convert to fraction form
    699,115.97/1,048,009.55 = 445,685.19/x
  3. Step 3: Cross multiply
    699,115.97x = 1,048,009.55 × 445,685.19
  4. Step 4: Simplify right side
    699,115.97x = 467,082,333,185.14
  5. Step 5: Solve for x
    x = 467,082,333,185.14/699,115.97
  6. Step 6: Final answer
    x = 668,104.23

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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.