Home / 722,950.80-1,084,231.80-302,139.60

Finding the Fourth Proportional to 722,950.80, 1,084,231.80 and 302,139.60

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Solution

The fourth proportional to 722,950.80, 1,084,231.80 and 302,139.60 is: 453,128.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,950.80 : 1,084,231.80 = 302,139.60 : x
  2. Step 2: Convert to fraction form
    722,950.80/1,084,231.80 = 302,139.60/x
  3. Step 3: Cross multiply
    722,950.80x = 1,084,231.80 × 302,139.60
  4. Step 4: Simplify right side
    722,950.80x = 327,589,362,359.28
  5. Step 5: Solve for x
    x = 327,589,362,359.28/722,950.80
  6. Step 6: Final answer
    x = 453,128.16

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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.