Home / 764,271.20-1,146,860.40-291,004.40

Finding the Fourth Proportional to 764,271.20, 1,146,860.40 and 291,004.40

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Solution

The fourth proportional to 764,271.20, 1,146,860.40 and 291,004.40 is: 436,679.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,271.20 : 1,146,860.40 = 291,004.40 : x
  2. Step 2: Convert to fraction form
    764,271.20/1,146,860.40 = 291,004.40/x
  3. Step 3: Cross multiply
    764,271.20x = 1,146,860.40 × 291,004.40
  4. Step 4: Simplify right side
    764,271.20x = 333,741,422,585.76
  5. Step 5: Solve for x
    x = 333,741,422,585.76/764,271.20
  6. Step 6: Final answer
    x = 436,679.31

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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.