Home / 694,144.60-1,040,525.70-319,514.20

Finding the Fourth Proportional to 694,144.60, 1,040,525.70 and 319,514.20

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Solution

The fourth proportional to 694,144.60, 1,040,525.70 and 319,514.20 is: 478,953.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,144.60 : 1,040,525.70 = 319,514.20 : x
  2. Step 2: Convert to fraction form
    694,144.60/1,040,525.70 = 319,514.20/x
  3. Step 3: Cross multiply
    694,144.60x = 1,040,525.70 × 319,514.20
  4. Step 4: Simplify right side
    694,144.60x = 332,462,736,614.94
  5. Step 5: Solve for x
    x = 332,462,736,614.94/694,144.60
  6. Step 6: Final answer
    x = 478,953.14

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1.5x scale

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.