Home / 764,295.24-1,146,630.75-380,225.44

Finding the Fourth Proportional to 764,295.24, 1,146,630.75 and 380,225.44

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Solution

The fourth proportional to 764,295.24, 1,146,630.75 and 380,225.44 is: 570,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,295.24 : 1,146,630.75 = 380,225.44 : x
  2. Step 2: Convert to fraction form
    764,295.24/1,146,630.75 = 380,225.44/x
  3. Step 3: Cross multiply
    764,295.24x = 1,146,630.75 × 380,225.44
  4. Step 4: Simplify right side
    764,295.24x = 435,978,181,436.28
  5. Step 5: Solve for x
    x = 435,978,181,436.28/764,295.24
  6. Step 6: Final answer
    x = 570,431.63

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1.5x scale

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.