Home / 786,832.12-1,179,958.26-281,256.52

Finding the Fourth Proportional to 786,832.12, 1,179,958.26 and 281,256.52

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Solution

The fourth proportional to 786,832.12, 1,179,958.26 and 281,256.52 is: 421,781.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,832.12 : 1,179,958.26 = 281,256.52 : x
  2. Step 2: Convert to fraction form
    786,832.12/1,179,958.26 = 281,256.52/x
  3. Step 3: Cross multiply
    786,832.12x = 1,179,958.26 × 281,256.52
  4. Step 4: Simplify right side
    786,832.12x = 331,870,953,952.86
  5. Step 5: Solve for x
    x = 331,870,953,952.86/786,832.12
  6. Step 6: Final answer
    x = 421,781.15

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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.