Home / 986,464.80-1,477,072.80-629,546.40

Finding the Fourth Proportional to 986,464.80, 1,477,072.80 and 629,546.40

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Solution

The fourth proportional to 986,464.80, 1,477,072.80 and 629,546.40 is: 942,644.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,464.80 : 1,477,072.80 = 629,546.40 : x
  2. Step 2: Convert to fraction form
    986,464.80/1,477,072.80 = 629,546.40/x
  3. Step 3: Cross multiply
    986,464.80x = 1,477,072.80 × 629,546.40
  4. Step 4: Simplify right side
    986,464.80x = 929,885,863,777.92
  5. Step 5: Solve for x
    x = 929,885,863,777.92/986,464.80
  6. Step 6: Final answer
    x = 942,644.75

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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.