Home / 853,148.64-1,279,956.72-373,289.44

Finding the Fourth Proportional to 853,148.64, 1,279,956.72 and 373,289.44

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Solution

The fourth proportional to 853,148.64, 1,279,956.72 and 373,289.44 is: 560,036.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,148.64 : 1,279,956.72 = 373,289.44 : x
  2. Step 2: Convert to fraction form
    853,148.64/1,279,956.72 = 373,289.44/x
  3. Step 3: Cross multiply
    853,148.64x = 1,279,956.72 × 373,289.44
  4. Step 4: Simplify right side
    853,148.64x = 477,794,327,233.04
  5. Step 5: Solve for x
    x = 477,794,327,233.04/853,148.64
  6. Step 6: Final answer
    x = 560,036.44

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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.