Home / 465,082.72-641,373.25-304,075.78

Finding the Fourth Proportional to 465,082.72, 641,373.25 and 304,075.78

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Solution

The fourth proportional to 465,082.72, 641,373.25 and 304,075.78 is: 419,336.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,082.72 : 641,373.25 = 304,075.78 : x
  2. Step 2: Convert to fraction form
    465,082.72/641,373.25 = 304,075.78/x
  3. Step 3: Cross multiply
    465,082.72x = 641,373.25 × 304,075.78
  4. Step 4: Simplify right side
    465,082.72x = 195,026,066,537.64
  5. Step 5: Solve for x
    x = 195,026,066,537.64/465,082.72
  6. Step 6: Final answer
    x = 419,336.30

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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.