Home / 773,292.80-1,159,939.20-698,643.20

Finding the Fourth Proportional to 773,292.80, 1,159,939.20 and 698,643.20

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Solution

The fourth proportional to 773,292.80, 1,159,939.20 and 698,643.20 is: 1,047,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,292.80 : 1,159,939.20 = 698,643.20 : x
  2. Step 2: Convert to fraction form
    773,292.80/1,159,939.20 = 698,643.20/x
  3. Step 3: Cross multiply
    773,292.80x = 1,159,939.20 × 698,643.20
  4. Step 4: Simplify right side
    773,292.80x = 810,383,634,493.44
  5. Step 5: Solve for x
    x = 810,383,634,493.44/773,292.80
  6. Step 6: Final answer
    x = 1,047,964.80

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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.