Home / 764,072.64-1,054,358.56-441,803.60

Finding the Fourth Proportional to 764,072.64, 1,054,358.56 and 441,803.60

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Solution

The fourth proportional to 764,072.64, 1,054,358.56 and 441,803.60 is: 609,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,072.64 : 1,054,358.56 = 441,803.60 : x
  2. Step 2: Convert to fraction form
    764,072.64/1,054,358.56 = 441,803.60/x
  3. Step 3: Cross multiply
    764,072.64x = 1,054,358.56 × 441,803.60
  4. Step 4: Simplify right side
    764,072.64x = 465,819,407,498.82
  5. Step 5: Solve for x
    x = 465,819,407,498.82/764,072.64
  6. Step 6: Final answer
    x = 609,653.30

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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.