Home / 959,863.88-1,440,032.63-285,942.56

Finding the Fourth Proportional to 959,863.88, 1,440,032.63 and 285,942.56

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Solution

The fourth proportional to 959,863.88, 1,440,032.63 and 285,942.56 is: 428,984.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,863.88 : 1,440,032.63 = 285,942.56 : x
  2. Step 2: Convert to fraction form
    959,863.88/1,440,032.63 = 285,942.56/x
  3. Step 3: Cross multiply
    959,863.88x = 1,440,032.63 × 285,942.56
  4. Step 4: Simplify right side
    959,863.88x = 411,766,608,075.86
  5. Step 5: Solve for x
    x = 411,766,608,075.86/959,863.88
  6. Step 6: Final answer
    x = 428,984.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.