Home / 727,824.21-1,004,384.03-405,527.37

Finding the Fourth Proportional to 727,824.21, 1,004,384.03 and 405,527.37

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Solution

The fourth proportional to 727,824.21, 1,004,384.03 and 405,527.37 is: 559,620.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,824.21 : 1,004,384.03 = 405,527.37 : x
  2. Step 2: Convert to fraction form
    727,824.21/1,004,384.03 = 405,527.37/x
  3. Step 3: Cross multiply
    727,824.21x = 1,004,384.03 × 405,527.37
  4. Step 4: Simplify right side
    727,824.21x = 407,305,209,133.98
  5. Step 5: Solve for x
    x = 407,305,209,133.98/727,824.21
  6. Step 6: Final answer
    x = 559,620.31

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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.