Home / 511,004.08-766,598.52-211,321.96

Finding the Fourth Proportional to 511,004.08, 766,598.52 and 211,321.96

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Solution

The fourth proportional to 511,004.08, 766,598.52 and 211,321.96 is: 317,021.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,004.08 : 766,598.52 = 211,321.96 : x
  2. Step 2: Convert to fraction form
    511,004.08/766,598.52 = 211,321.96/x
  3. Step 3: Cross multiply
    511,004.08x = 766,598.52 × 211,321.96
  4. Step 4: Simplify right side
    511,004.08x = 161,999,101,779.50
  5. Step 5: Solve for x
    x = 161,999,101,779.50/511,004.08
  6. Step 6: Final answer
    x = 317,021.15

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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.