Home / 727,334.71-1,091,375.78-322,804.10

Finding the Fourth Proportional to 727,334.71, 1,091,375.78 and 322,804.10

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Solution

The fourth proportional to 727,334.71, 1,091,375.78 and 322,804.10 is: 484,372.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,334.71 : 1,091,375.78 = 322,804.10 : x
  2. Step 2: Convert to fraction form
    727,334.71/1,091,375.78 = 322,804.10/x
  3. Step 3: Cross multiply
    727,334.71x = 1,091,375.78 × 322,804.10
  4. Step 4: Simplify right side
    727,334.71x = 352,300,577,539.12
  5. Step 5: Solve for x
    x = 352,300,577,539.12/727,334.71
  6. Step 6: Final answer
    x = 484,372.01

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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.