Home / 764,230.80-1,145,617.20-284,330.10

Finding the Fourth Proportional to 764,230.80, 1,145,617.20 and 284,330.10

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Solution

The fourth proportional to 764,230.80, 1,145,617.20 and 284,330.10 is: 426,223.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,230.80 : 1,145,617.20 = 284,330.10 : x
  2. Step 2: Convert to fraction form
    764,230.80/1,145,617.20 = 284,330.10/x
  3. Step 3: Cross multiply
    764,230.80x = 1,145,617.20 × 284,330.10
  4. Step 4: Simplify right side
    764,230.80x = 325,733,453,037.72
  5. Step 5: Solve for x
    x = 325,733,453,037.72/764,230.80
  6. Step 6: Final answer
    x = 426,223.93

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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.