Home / 666,056.91-998,822.39-266,623.23

Finding the Fourth Proportional to 666,056.91, 998,822.39 and 266,623.23

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Solution

The fourth proportional to 666,056.91, 998,822.39 and 266,623.23 is: 399,829.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,056.91 : 998,822.39 = 266,623.23 : x
  2. Step 2: Convert to fraction form
    666,056.91/998,822.39 = 266,623.23/x
  3. Step 3: Cross multiply
    666,056.91x = 998,822.39 × 266,623.23
  4. Step 4: Simplify right side
    666,056.91x = 266,309,250,485.00
  5. Step 5: Solve for x
    x = 266,309,250,485.00/666,056.91
  6. Step 6: Final answer
    x = 399,829.57

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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.