Home / 759,782.98-1,139,642.79-198,805.06

Finding the Fourth Proportional to 759,782.98, 1,139,642.79 and 198,805.06

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Solution

The fourth proportional to 759,782.98, 1,139,642.79 and 198,805.06 is: 298,199.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,782.98 : 1,139,642.79 = 198,805.06 : x
  2. Step 2: Convert to fraction form
    759,782.98/1,139,642.79 = 198,805.06/x
  3. Step 3: Cross multiply
    759,782.98x = 1,139,642.79 × 198,805.06
  4. Step 4: Simplify right side
    759,782.98x = 226,566,753,244.52
  5. Step 5: Solve for x
    x = 226,566,753,244.52/759,782.98
  6. Step 6: Final answer
    x = 298,199.30

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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.