Home / 764,241.60-1,147,237.20-448,876.20

Finding the Fourth Proportional to 764,241.60, 1,147,237.20 and 448,876.20

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Solution

The fourth proportional to 764,241.60, 1,147,237.20 and 448,876.20 is: 673,828.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,241.60 : 1,147,237.20 = 448,876.20 : x
  2. Step 2: Convert to fraction form
    764,241.60/1,147,237.20 = 448,876.20/x
  3. Step 3: Cross multiply
    764,241.60x = 1,147,237.20 × 448,876.20
  4. Step 4: Simplify right side
    764,241.60x = 514,967,474,834.64
  5. Step 5: Solve for x
    x = 514,967,474,834.64/764,241.60
  6. Step 6: Final answer
    x = 673,828.11

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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.