Home / 808,666.20-1,212,999.30-276,107.40

Finding the Fourth Proportional to 808,666.20, 1,212,999.30 and 276,107.40

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Solution

The fourth proportional to 808,666.20, 1,212,999.30 and 276,107.40 is: 414,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,666.20 : 1,212,999.30 = 276,107.40 : x
  2. Step 2: Convert to fraction form
    808,666.20/1,212,999.30 = 276,107.40/x
  3. Step 3: Cross multiply
    808,666.20x = 1,212,999.30 × 276,107.40
  4. Step 4: Simplify right side
    808,666.20x = 334,918,082,924.82
  5. Step 5: Solve for x
    x = 334,918,082,924.82/808,666.20
  6. Step 6: Final answer
    x = 414,161.10

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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.