Home / 839,103.94-1,258,779.94-306,500.41

Finding the Fourth Proportional to 839,103.94, 1,258,779.94 and 306,500.41

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Solution

The fourth proportional to 839,103.94, 1,258,779.94 and 306,500.41 is: 459,795.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,103.94 : 1,258,779.94 = 306,500.41 : x
  2. Step 2: Convert to fraction form
    839,103.94/1,258,779.94 = 306,500.41/x
  3. Step 3: Cross multiply
    839,103.94x = 1,258,779.94 × 306,500.41
  4. Step 4: Simplify right side
    839,103.94x = 385,816,561,415.88
  5. Step 5: Solve for x
    x = 385,816,561,415.88/839,103.94
  6. Step 6: Final answer
    x = 459,795.91

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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.