Home / 805,539.80-1,208,271.30-273,008.60

Finding the Fourth Proportional to 805,539.80, 1,208,271.30 and 273,008.60

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Solution

The fourth proportional to 805,539.80, 1,208,271.30 and 273,008.60 is: 409,499.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,539.80 : 1,208,271.30 = 273,008.60 : x
  2. Step 2: Convert to fraction form
    805,539.80/1,208,271.30 = 273,008.60/x
  3. Step 3: Cross multiply
    805,539.80x = 1,208,271.30 × 273,008.60
  4. Step 4: Simplify right side
    805,539.80x = 329,868,456,033.18
  5. Step 5: Solve for x
    x = 329,868,456,033.18/805,539.80
  6. Step 6: Final answer
    x = 409,499.89

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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.