Home / 764,229.80-1,145,615.70-284,329.10

Finding the Fourth Proportional to 764,229.80, 1,145,615.70 and 284,329.10

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Solution

The fourth proportional to 764,229.80, 1,145,615.70 and 284,329.10 is: 426,222.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,229.80 : 1,145,615.70 = 284,329.10 : x
  2. Step 2: Convert to fraction form
    764,229.80/1,145,615.70 = 284,329.10/x
  3. Step 3: Cross multiply
    764,229.80x = 1,145,615.70 × 284,329.10
  4. Step 4: Simplify right side
    764,229.80x = 325,731,880,926.87
  5. Step 5: Solve for x
    x = 325,731,880,926.87/764,229.80
  6. Step 6: Final answer
    x = 426,222.43

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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.