Home / 427,939.36-589,940.88-300,219.04

Finding the Fourth Proportional to 427,939.36, 589,940.88 and 300,219.04

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Solution

The fourth proportional to 427,939.36, 589,940.88 and 300,219.04 is: 413,870.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,939.36 : 589,940.88 = 300,219.04 : x
  2. Step 2: Convert to fraction form
    427,939.36/589,940.88 = 300,219.04/x
  3. Step 3: Cross multiply
    427,939.36x = 589,940.88 × 300,219.04
  4. Step 4: Simplify right side
    427,939.36x = 177,111,484,650.36
  5. Step 5: Solve for x
    x = 177,111,484,650.36/427,939.36
  6. Step 6: Final answer
    x = 413,870.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.