Home / 722,504.80-1,083,907.86-217,045.36

Finding the Fourth Proportional to 722,504.80, 1,083,907.86 and 217,045.36

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Solution

The fourth proportional to 722,504.80, 1,083,907.86 and 217,045.36 is: 325,613.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,504.80 : 1,083,907.86 = 217,045.36 : x
  2. Step 2: Convert to fraction form
    722,504.80/1,083,907.86 = 217,045.36/x
  3. Step 3: Cross multiply
    722,504.80x = 1,083,907.86 × 217,045.36
  4. Step 4: Simplify right side
    722,504.80x = 235,257,171,680.53
  5. Step 5: Solve for x
    x = 235,257,171,680.53/722,504.80
  6. Step 6: Final answer
    x = 325,613.30

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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.