Home / 782,290.06-1,173,245.44-213,673.82

Finding the Fourth Proportional to 782,290.06, 1,173,245.44 and 213,673.82

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Solution

The fourth proportional to 782,290.06, 1,173,245.44 and 213,673.82 is: 320,458.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,290.06 : 1,173,245.44 = 213,673.82 : x
  2. Step 2: Convert to fraction form
    782,290.06/1,173,245.44 = 213,673.82/x
  3. Step 3: Cross multiply
    782,290.06x = 1,173,245.44 × 213,673.82
  4. Step 4: Simplify right side
    782,290.06x = 250,691,834,962.38
  5. Step 5: Solve for x
    x = 250,691,834,962.38/782,290.06
  6. Step 6: Final answer
    x = 320,458.93

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1.5x scale

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.