Home / 764,055.98-1,144,586.43-443,535.78

Finding the Fourth Proportional to 764,055.98, 1,144,586.43 and 443,535.78

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Solution

The fourth proportional to 764,055.98, 1,144,586.43 and 443,535.78 is: 664,434.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,055.98 : 1,144,586.43 = 443,535.78 : x
  2. Step 2: Convert to fraction form
    764,055.98/1,144,586.43 = 443,535.78/x
  3. Step 3: Cross multiply
    764,055.98x = 1,144,586.43 × 443,535.78
  4. Step 4: Simplify right side
    764,055.98x = 507,665,035,007.47
  5. Step 5: Solve for x
    x = 507,665,035,007.47/764,055.98
  6. Step 6: Final answer
    x = 664,434.35

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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.