Home / 986,860.80-1,477,666.80-629,942.40

Finding the Fourth Proportional to 986,860.80, 1,477,666.80 and 629,942.40

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Solution

The fourth proportional to 986,860.80, 1,477,666.80 and 629,942.40 is: 943,238.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,860.80 : 1,477,666.80 = 629,942.40 : x
  2. Step 2: Convert to fraction form
    986,860.80/1,477,666.80 = 629,942.40/x
  3. Step 3: Cross multiply
    986,860.80x = 1,477,666.80 × 629,942.40
  4. Step 4: Simplify right side
    986,860.80x = 930,844,970,392.32
  5. Step 5: Solve for x
    x = 930,844,970,392.32/986,860.80
  6. Step 6: Final answer
    x = 943,238.37

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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.