Home / 959,719.14-1,439,889.63-285,806.04

Finding the Fourth Proportional to 959,719.14, 1,439,889.63 and 285,806.04

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Solution

The fourth proportional to 959,719.14, 1,439,889.63 and 285,806.04 is: 428,801.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,719.14 : 1,439,889.63 = 285,806.04 : x
  2. Step 2: Convert to fraction form
    959,719.14/1,439,889.63 = 285,806.04/x
  3. Step 3: Cross multiply
    959,719.14x = 1,439,889.63 × 285,806.04
  4. Step 4: Simplify right side
    959,719.14x = 411,529,153,187.37
  5. Step 5: Solve for x
    x = 411,529,153,187.37/959,719.14
  6. Step 6: Final answer
    x = 428,801.65

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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.