Home / 959,860.50-1,440,027.57-285,939.18

Finding the Fourth Proportional to 959,860.50, 1,440,027.57 and 285,939.18

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Solution

The fourth proportional to 959,860.50, 1,440,027.57 and 285,939.18 is: 428,979.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,860.50 : 1,440,027.57 = 285,939.18 : x
  2. Step 2: Convert to fraction form
    959,860.50/1,440,027.57 = 285,939.18/x
  3. Step 3: Cross multiply
    959,860.50x = 1,440,027.57 × 285,939.18
  4. Step 4: Simplify right side
    959,860.50x = 411,760,306,871.02
  5. Step 5: Solve for x
    x = 411,760,306,871.02/959,860.50
  6. Step 6: Final answer
    x = 428,979.32

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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.