Home / 721,075.49-1,081,530.60-188,647.91

Finding the Fourth Proportional to 721,075.49, 1,081,530.60 and 188,647.91

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Solution

The fourth proportional to 721,075.49, 1,081,530.60 and 188,647.91 is: 282,950.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,075.49 : 1,081,530.60 = 188,647.91 : x
  2. Step 2: Convert to fraction form
    721,075.49/1,081,530.60 = 188,647.91/x
  3. Step 3: Cross multiply
    721,075.49x = 1,081,530.60 × 188,647.91
  4. Step 4: Simplify right side
    721,075.49x = 204,028,481,883.39
  5. Step 5: Solve for x
    x = 204,028,481,883.39/721,075.49
  6. Step 6: Final answer
    x = 282,950.24

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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.