Home / 764,865.60-1,055,776.32-463,059.36

Finding the Fourth Proportional to 764,865.60, 1,055,776.32 and 463,059.36

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Solution

The fourth proportional to 764,865.60, 1,055,776.32 and 463,059.36 is: 639,180.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,865.60 : 1,055,776.32 = 463,059.36 : x
  2. Step 2: Convert to fraction form
    764,865.60/1,055,776.32 = 463,059.36/x
  3. Step 3: Cross multiply
    764,865.60x = 1,055,776.32 × 463,059.36
  4. Step 4: Simplify right side
    764,865.60x = 488,887,107,042.36
  5. Step 5: Solve for x
    x = 488,887,107,042.36/764,865.60
  6. Step 6: Final answer
    x = 639,180.41

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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.