Home / 984,914.30-1,477,189.20-274,795.40

Finding the Fourth Proportional to 984,914.30, 1,477,189.20 and 274,795.40

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Solution

The fourth proportional to 984,914.30, 1,477,189.20 and 274,795.40 is: 412,142.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,914.30 : 1,477,189.20 = 274,795.40 : x
  2. Step 2: Convert to fraction form
    984,914.30/1,477,189.20 = 274,795.40/x
  3. Step 3: Cross multiply
    984,914.30x = 1,477,189.20 × 274,795.40
  4. Step 4: Simplify right side
    984,914.30x = 405,924,797,089.68
  5. Step 5: Solve for x
    x = 405,924,797,089.68/984,914.30
  6. Step 6: Final answer
    x = 412,142.25

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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.