Home / 959,861.50-1,440,029.07-285,940.18

Finding the Fourth Proportional to 959,861.50, 1,440,029.07 and 285,940.18

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Solution

The fourth proportional to 959,861.50, 1,440,029.07 and 285,940.18 is: 428,980.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,861.50 : 1,440,029.07 = 285,940.18 : x
  2. Step 2: Convert to fraction form
    959,861.50/1,440,029.07 = 285,940.18/x
  3. Step 3: Cross multiply
    959,861.50x = 1,440,029.07 × 285,940.18
  4. Step 4: Simplify right side
    959,861.50x = 411,762,171,481.03
  5. Step 5: Solve for x
    x = 411,762,171,481.03/959,861.50
  6. Step 6: Final answer
    x = 428,980.82

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1.5x scale

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.