Home / 853,957.22-1,281,157.74-254,918.48

Finding the Fourth Proportional to 853,957.22, 1,281,157.74 and 254,918.48

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Solution

The fourth proportional to 853,957.22, 1,281,157.74 and 254,918.48 is: 382,443.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,957.22 : 1,281,157.74 = 254,918.48 : x
  2. Step 2: Convert to fraction form
    853,957.22/1,281,157.74 = 254,918.48/x
  3. Step 3: Cross multiply
    853,957.22x = 1,281,157.74 × 254,918.48
  4. Step 4: Simplify right side
    853,957.22x = 326,590,777,315.25
  5. Step 5: Solve for x
    x = 326,590,777,315.25/853,957.22
  6. Step 6: Final answer
    x = 382,443.96

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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.