Home / 839,907.20-1,259,860.80-629,955.20

Finding the Fourth Proportional to 839,907.20, 1,259,860.80 and 629,955.20

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Solution

The fourth proportional to 839,907.20, 1,259,860.80 and 629,955.20 is: 944,932.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,907.20 : 1,259,860.80 = 629,955.20 : x
  2. Step 2: Convert to fraction form
    839,907.20/1,259,860.80 = 629,955.20/x
  3. Step 3: Cross multiply
    839,907.20x = 1,259,860.80 × 629,955.20
  4. Step 4: Simplify right side
    839,907.20x = 793,655,862,236.16
  5. Step 5: Solve for x
    x = 793,655,862,236.16/839,907.20
  6. Step 6: Final answer
    x = 944,932.80

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Similar ratio
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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.