Home / 757,790.84-1,045,676.82-418,237.24

Finding the Fourth Proportional to 757,790.84, 1,045,676.82 and 418,237.24

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Solution

The fourth proportional to 757,790.84, 1,045,676.82 and 418,237.24 is: 577,126.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,790.84 : 1,045,676.82 = 418,237.24 : x
  2. Step 2: Convert to fraction form
    757,790.84/1,045,676.82 = 418,237.24/x
  3. Step 3: Cross multiply
    757,790.84x = 1,045,676.82 × 418,237.24
  4. Step 4: Simplify right side
    757,790.84x = 437,340,987,128.78
  5. Step 5: Solve for x
    x = 437,340,987,128.78/757,790.84
  6. Step 6: Final answer
    x = 577,126.25

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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.