Home / 456,876.86-630,556.04-263,247.48

Finding the Fourth Proportional to 456,876.86, 630,556.04 and 263,247.48

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Solution

The fourth proportional to 456,876.86, 630,556.04 and 263,247.48 is: 363,319.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,876.86 : 630,556.04 = 263,247.48 : x
  2. Step 2: Convert to fraction form
    456,876.86/630,556.04 = 263,247.48/x
  3. Step 3: Cross multiply
    456,876.86x = 630,556.04 × 263,247.48
  4. Step 4: Simplify right side
    456,876.86x = 165,992,289,240.69
  5. Step 5: Solve for x
    x = 165,992,289,240.69/456,876.86
  6. Step 6: Final answer
    x = 363,319.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.