Home / 603,485.40-905,811.30-367,289.40

Finding the Fourth Proportional to 603,485.40, 905,811.30 and 367,289.40

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Solution

The fourth proportional to 603,485.40, 905,811.30 and 367,289.40 is: 551,289.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,485.40 : 905,811.30 = 367,289.40 : x
  2. Step 2: Convert to fraction form
    603,485.40/905,811.30 = 367,289.40/x
  3. Step 3: Cross multiply
    603,485.40x = 905,811.30 × 367,289.40
  4. Step 4: Simplify right side
    603,485.40x = 332,694,888,890.22
  5. Step 5: Solve for x
    x = 332,694,888,890.22/603,485.40
  6. Step 6: Final answer
    x = 551,289.04

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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.