Home / 853,842.03-1,280,768.55-341,549.97

Finding the Fourth Proportional to 853,842.03, 1,280,768.55 and 341,549.97

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Solution

The fourth proportional to 853,842.03, 1,280,768.55 and 341,549.97 is: 512,327.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,842.03 : 1,280,768.55 = 341,549.97 : x
  2. Step 2: Convert to fraction form
    853,842.03/1,280,768.55 = 341,549.97/x
  3. Step 3: Cross multiply
    853,842.03x = 1,280,768.55 × 341,549.97
  4. Step 4: Simplify right side
    853,842.03x = 437,446,463,031.37
  5. Step 5: Solve for x
    x = 437,446,463,031.37/853,842.03
  6. Step 6: Final answer
    x = 512,327.16

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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.