Home / 873,973.89-1,206,198.93-492,075.09

Finding the Fourth Proportional to 873,973.89, 1,206,198.93 and 492,075.09

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Solution

The fourth proportional to 873,973.89, 1,206,198.93 and 492,075.09 is: 679,128.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,973.89 : 1,206,198.93 = 492,075.09 : x
  2. Step 2: Convert to fraction form
    873,973.89/1,206,198.93 = 492,075.09/x
  3. Step 3: Cross multiply
    873,973.89x = 1,206,198.93 × 492,075.09
  4. Step 4: Simplify right side
    873,973.89x = 593,540,447,037.65
  5. Step 5: Solve for x
    x = 593,540,447,037.65/873,973.89
  6. Step 6: Final answer
    x = 679,128.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.