Home / 888,226.80-1,332,777.60-509,438.40

Finding the Fourth Proportional to 888,226.80, 1,332,777.60 and 509,438.40

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Solution

The fourth proportional to 888,226.80, 1,332,777.60 and 509,438.40 is: 764,408.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,226.80 : 1,332,777.60 = 509,438.40 : x
  2. Step 2: Convert to fraction form
    888,226.80/1,332,777.60 = 509,438.40/x
  3. Step 3: Cross multiply
    888,226.80x = 1,332,777.60 × 509,438.40
  4. Step 4: Simplify right side
    888,226.80x = 678,968,088,099.84
  5. Step 5: Solve for x
    x = 678,968,088,099.84/888,226.80
  6. Step 6: Final answer
    x = 764,408.47

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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.