Home / 511,005.08-766,600.02-211,322.96

Finding the Fourth Proportional to 511,005.08, 766,600.02 and 211,322.96

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Solution

The fourth proportional to 511,005.08, 766,600.02 and 211,322.96 is: 317,022.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,005.08 : 766,600.02 = 211,322.96 : x
  2. Step 2: Convert to fraction form
    511,005.08/766,600.02 = 211,322.96/x
  3. Step 3: Cross multiply
    511,005.08x = 766,600.02 × 211,322.96
  4. Step 4: Simplify right side
    511,005.08x = 162,000,185,362.46
  5. Step 5: Solve for x
    x = 162,000,185,362.46/511,005.08
  6. Step 6: Final answer
    x = 317,022.65

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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.