Finding the Fourth Proportional to 873,794.35, 1,311,005.90 and 305,259.09
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Solution
The fourth proportional to 873,794.35, 1,311,005.90 and 305,259.09 is: 457,998.47
Step by Step Solution
- Step 1: Write the proportion equation
873,794.35 : 1,311,005.90 = 305,259.09 : x - Step 2: Convert to fraction form
873,794.35/1,311,005.90 = 305,259.09/x - Step 3: Cross multiply
873,794.35x = 1,311,005.90 × 305,259.09 - Step 4: Simplify right side
873,794.35x = 400,196,471,296.15 - Step 5: Solve for x
x = 400,196,471,296.15/873,794.35 - Step 6: Final answer
x = 457,998.47
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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.