Home / 727,865.66-1,004,441.04-405,568.88

Finding the Fourth Proportional to 727,865.66, 1,004,441.04 and 405,568.88

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Solution

The fourth proportional to 727,865.66, 1,004,441.04 and 405,568.88 is: 559,677.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,865.66 : 1,004,441.04 = 405,568.88 : x
  2. Step 2: Convert to fraction form
    727,865.66/1,004,441.04 = 405,568.88/x
  3. Step 3: Cross multiply
    727,865.66x = 1,004,441.04 × 405,568.88
  4. Step 4: Simplify right side
    727,865.66x = 407,370,027,618.84
  5. Step 5: Solve for x
    x = 407,370,027,618.84/727,865.66
  6. Step 6: Final answer
    x = 559,677.49

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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.