Home / 727,817.16-1,004,374.39-405,520.37

Finding the Fourth Proportional to 727,817.16, 1,004,374.39 and 405,520.37

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Solution

The fourth proportional to 727,817.16, 1,004,374.39 and 405,520.37 is: 559,610.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,817.16 : 1,004,374.39 = 405,520.37 : x
  2. Step 2: Convert to fraction form
    727,817.16/1,004,374.39 = 405,520.37/x
  3. Step 3: Cross multiply
    727,817.16x = 1,004,374.39 × 405,520.37
  4. Step 4: Simplify right side
    727,817.16x = 407,294,274,251.32
  5. Step 5: Solve for x
    x = 407,294,274,251.32/727,817.16
  6. Step 6: Final answer
    x = 559,610.71

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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.