Home / 808,215.10-1,212,322.65-276,336.70

Finding the Fourth Proportional to 808,215.10, 1,212,322.65 and 276,336.70

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Solution

The fourth proportional to 808,215.10, 1,212,322.65 and 276,336.70 is: 414,505.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,215.10 : 1,212,322.65 = 276,336.70 : x
  2. Step 2: Convert to fraction form
    808,215.10/1,212,322.65 = 276,336.70/x
  3. Step 3: Cross multiply
    808,215.10x = 1,212,322.65 × 276,336.70
  4. Step 4: Simplify right side
    808,215.10x = 335,009,240,436.26
  5. Step 5: Solve for x
    x = 335,009,240,436.26/808,215.10
  6. Step 6: Final answer
    x = 414,505.05

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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.