Home / 764,933.20-1,147,630.20-410,117.20

Finding the Fourth Proportional to 764,933.20, 1,147,630.20 and 410,117.20

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Solution

The fourth proportional to 764,933.20, 1,147,630.20 and 410,117.20 is: 615,299.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,933.20 : 1,147,630.20 = 410,117.20 : x
  2. Step 2: Convert to fraction form
    764,933.20/1,147,630.20 = 410,117.20/x
  3. Step 3: Cross multiply
    764,933.20x = 1,147,630.20 × 410,117.20
  4. Step 4: Simplify right side
    764,933.20x = 470,662,884,259.44
  5. Step 5: Solve for x
    x = 470,662,884,259.44/764,933.20
  6. Step 6: Final answer
    x = 615,299.33

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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.