Home / 668,922.94-1,003,537.62-289,907.26

Finding the Fourth Proportional to 668,922.94, 1,003,537.62 and 289,907.26

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Solution

The fourth proportional to 668,922.94, 1,003,537.62 and 289,907.26 is: 434,927.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,922.94 : 1,003,537.62 = 289,907.26 : x
  2. Step 2: Convert to fraction form
    668,922.94/1,003,537.62 = 289,907.26/x
  3. Step 3: Cross multiply
    668,922.94x = 1,003,537.62 × 289,907.26
  4. Step 4: Simplify right side
    668,922.94x = 290,932,841,721.12
  5. Step 5: Solve for x
    x = 290,932,841,721.12/668,922.94
  6. Step 6: Final answer
    x = 434,927.29

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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.