Home / 779,231.22-1,168,846.76-394,920.21

Finding the Fourth Proportional to 779,231.22, 1,168,846.76 and 394,920.21

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Solution

The fourth proportional to 779,231.22, 1,168,846.76 and 394,920.21 is: 592,380.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,231.22 : 1,168,846.76 = 394,920.21 : x
  2. Step 2: Convert to fraction form
    779,231.22/1,168,846.76 = 394,920.21/x
  3. Step 3: Cross multiply
    779,231.22x = 1,168,846.76 × 394,920.21
  4. Step 4: Simplify right side
    779,231.22x = 461,601,201,559.24
  5. Step 5: Solve for x
    x = 461,601,201,559.24/779,231.22
  6. Step 6: Final answer
    x = 592,380.27

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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.