Home / 764,881.80-1,147,322.70-366,301.05

Finding the Fourth Proportional to 764,881.80, 1,147,322.70 and 366,301.05

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Solution

The fourth proportional to 764,881.80, 1,147,322.70 and 366,301.05 is: 549,451.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,881.80 : 1,147,322.70 = 366,301.05 : x
  2. Step 2: Convert to fraction form
    764,881.80/1,147,322.70 = 366,301.05/x
  3. Step 3: Cross multiply
    764,881.80x = 1,147,322.70 × 366,301.05
  4. Step 4: Simplify right side
    764,881.80x = 420,265,509,698.84
  5. Step 5: Solve for x
    x = 420,265,509,698.84/764,881.80
  6. Step 6: Final answer
    x = 549,451.58

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Similar ratio
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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.