Home / 808,539.70-1,212,809.55-276,013.30

Finding the Fourth Proportional to 808,539.70, 1,212,809.55 and 276,013.30

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Solution

The fourth proportional to 808,539.70, 1,212,809.55 and 276,013.30 is: 414,019.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,539.70 : 1,212,809.55 = 276,013.30 : x
  2. Step 2: Convert to fraction form
    808,539.70/1,212,809.55 = 276,013.30/x
  3. Step 3: Cross multiply
    808,539.70x = 1,212,809.55 × 276,013.30
  4. Step 4: Simplify right side
    808,539.70x = 334,751,566,167.02
  5. Step 5: Solve for x
    x = 334,751,566,167.02/808,539.70
  6. Step 6: Final answer
    x = 414,019.95

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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.