Home / 767,714.56-1,151,749.09-227,958.84

Finding the Fourth Proportional to 767,714.56, 1,151,749.09 and 227,958.84

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Solution

The fourth proportional to 767,714.56, 1,151,749.09 and 227,958.84 is: 341,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,714.56 : 1,151,749.09 = 227,958.84 : x
  2. Step 2: Convert to fraction form
    767,714.56/1,151,749.09 = 227,958.84/x
  3. Step 3: Cross multiply
    767,714.56x = 1,151,749.09 × 227,958.84
  4. Step 4: Simplify right side
    767,714.56x = 262,551,386,812.40
  5. Step 5: Solve for x
    x = 262,551,386,812.40/767,714.56
  6. Step 6: Final answer
    x = 341,990.89

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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.