Home / 764,164.60-1,147,470.90-607,694.20

Finding the Fourth Proportional to 764,164.60, 1,147,470.90 and 607,694.20

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Solution

The fourth proportional to 764,164.60, 1,147,470.90 and 607,694.20 is: 912,514.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,164.60 : 1,147,470.90 = 607,694.20 : x
  2. Step 2: Convert to fraction form
    764,164.60/1,147,470.90 = 607,694.20/x
  3. Step 3: Cross multiply
    764,164.60x = 1,147,470.90 × 607,694.20
  4. Step 4: Simplify right side
    764,164.60x = 697,311,410,598.78
  5. Step 5: Solve for x
    x = 697,311,410,598.78/764,164.60
  6. Step 6: Final answer
    x = 912,514.67

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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.