Home / 510,996.08-766,586.52-211,313.96

Finding the Fourth Proportional to 510,996.08, 766,586.52 and 211,313.96

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Solution

The fourth proportional to 510,996.08, 766,586.52 and 211,313.96 is: 317,009.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,996.08 : 766,586.52 = 211,313.96 : x
  2. Step 2: Convert to fraction form
    510,996.08/766,586.52 = 211,313.96/x
  3. Step 3: Cross multiply
    510,996.08x = 766,586.52 × 211,313.96
  4. Step 4: Simplify right side
    510,996.08x = 161,990,433,223.82
  5. Step 5: Solve for x
    x = 161,990,433,223.82/510,996.08
  6. Step 6: Final answer
    x = 317,009.15

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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.