Home / 727,596.42-1,003,949.82-405,298.50

Finding the Fourth Proportional to 727,596.42, 1,003,949.82 and 405,298.50

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Solution

The fourth proportional to 727,596.42, 1,003,949.82 and 405,298.50 is: 559,237.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,596.42 : 1,003,949.82 = 405,298.50 : x
  2. Step 2: Convert to fraction form
    727,596.42/1,003,949.82 = 405,298.50/x
  3. Step 3: Cross multiply
    727,596.42x = 1,003,949.82 × 405,298.50
  4. Step 4: Simplify right side
    727,596.42x = 406,899,356,121.27
  5. Step 5: Solve for x
    x = 406,899,356,121.27/727,596.42
  6. Step 6: Final answer
    x = 559,237.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.