Home / 494,075.16-681,560.78-300,542.04

Finding the Fourth Proportional to 494,075.16, 681,560.78 and 300,542.04

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Solution

The fourth proportional to 494,075.16, 681,560.78 and 300,542.04 is: 414,588.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,075.16 : 681,560.78 = 300,542.04 : x
  2. Step 2: Convert to fraction form
    494,075.16/681,560.78 = 300,542.04/x
  3. Step 3: Cross multiply
    494,075.16x = 681,560.78 × 300,542.04
  4. Step 4: Simplify right side
    494,075.16x = 204,837,665,702.48
  5. Step 5: Solve for x
    x = 204,837,665,702.48/494,075.16
  6. Step 6: Final answer
    x = 414,588.07

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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.