Home / 984,904.80-1,477,357.20-669,976.80

Finding the Fourth Proportional to 984,904.80, 1,477,357.20 and 669,976.80

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Solution

The fourth proportional to 984,904.80, 1,477,357.20 and 669,976.80 is: 1,004,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,904.80 : 1,477,357.20 = 669,976.80 : x
  2. Step 2: Convert to fraction form
    984,904.80/1,477,357.20 = 669,976.80/x
  3. Step 3: Cross multiply
    984,904.80x = 1,477,357.20 × 669,976.80
  4. Step 4: Simplify right side
    984,904.80x = 989,795,049,312.96
  5. Step 5: Solve for x
    x = 989,795,049,312.96/984,904.80
  6. Step 6: Final answer
    x = 1,004,965.20

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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.