Home / 757,822.62-1,045,795.32-418,290.96

Finding the Fourth Proportional to 757,822.62, 1,045,795.32 and 418,290.96

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Solution

The fourth proportional to 757,822.62, 1,045,795.32 and 418,290.96 is: 577,241.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,822.62 : 1,045,795.32 = 418,290.96 : x
  2. Step 2: Convert to fraction form
    757,822.62/1,045,795.32 = 418,290.96/x
  3. Step 3: Cross multiply
    757,822.62x = 1,045,795.32 × 418,290.96
  4. Step 4: Simplify right side
    757,822.62x = 437,446,728,366.31
  5. Step 5: Solve for x
    x = 437,446,728,366.31/757,822.62
  6. Step 6: Final answer
    x = 577,241.58

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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.