Home / 727,627.65-1,091,441.54-278,486.29

Finding the Fourth Proportional to 727,627.65, 1,091,441.54 and 278,486.29

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Solution

The fourth proportional to 727,627.65, 1,091,441.54 and 278,486.29 is: 417,729.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,627.65 : 1,091,441.54 = 278,486.29 : x
  2. Step 2: Convert to fraction form
    727,627.65/1,091,441.54 = 278,486.29/x
  3. Step 3: Cross multiply
    727,627.65x = 1,091,441.54 × 278,486.29
  4. Step 4: Simplify right side
    727,627.65x = 303,951,505,226.49
  5. Step 5: Solve for x
    x = 303,951,505,226.49/727,627.65
  6. Step 6: Final answer
    x = 417,729.46

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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.