Home / 757,822.63-1,045,795.32-418,290.97

Finding the Fourth Proportional to 757,822.63, 1,045,795.32 and 418,290.97

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Solution

The fourth proportional to 757,822.63, 1,045,795.32 and 418,290.97 is: 577,241.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,822.63 : 1,045,795.32 = 418,290.97 : x
  2. Step 2: Convert to fraction form
    757,822.63/1,045,795.32 = 418,290.97/x
  3. Step 3: Cross multiply
    757,822.63x = 1,045,795.32 × 418,290.97
  4. Step 4: Simplify right side
    757,822.63x = 437,446,738,824.26
  5. Step 5: Solve for x
    x = 437,446,738,824.26/757,822.63
  6. Step 6: Final answer
    x = 577,241.59

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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.