Home / 665,736.30-998,582.58-266,269.82

Finding the Fourth Proportional to 665,736.30, 998,582.58 and 266,269.82

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Solution

The fourth proportional to 665,736.30, 998,582.58 and 266,269.82 is: 399,395.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,736.30 : 998,582.58 = 266,269.82 : x
  2. Step 2: Convert to fraction form
    665,736.30/998,582.58 = 266,269.82/x
  3. Step 3: Cross multiply
    665,736.30x = 998,582.58 × 266,269.82
  4. Step 4: Simplify right side
    665,736.30x = 265,892,398,838.82
  5. Step 5: Solve for x
    x = 265,892,398,838.82/665,736.30
  6. Step 6: Final answer
    x = 399,395.98

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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.