Home / 808,543.20-1,212,814.80-276,016.80

Finding the Fourth Proportional to 808,543.20, 1,212,814.80 and 276,016.80

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Solution

The fourth proportional to 808,543.20, 1,212,814.80 and 276,016.80 is: 414,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,543.20 : 1,212,814.80 = 276,016.80 : x
  2. Step 2: Convert to fraction form
    808,543.20/1,212,814.80 = 276,016.80/x
  3. Step 3: Cross multiply
    808,543.20x = 1,212,814.80 × 276,016.80
  4. Step 4: Simplify right side
    808,543.20x = 334,757,260,088.64
  5. Step 5: Solve for x
    x = 334,757,260,088.64/808,543.20
  6. Step 6: Final answer
    x = 414,025.20

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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.