Finding the Fourth Proportional to 816,477.92, 1,127,289.36 and 730,169.12
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Solution
The fourth proportional to 816,477.92, 1,127,289.36 and 730,169.12 is: 1,008,125.09
Step by Step Solution
- Step 1: Write the proportion equation
816,477.92 : 1,127,289.36 = 730,169.12 : x - Step 2: Convert to fraction form
816,477.92/1,127,289.36 = 730,169.12/x - Step 3: Cross multiply
816,477.92x = 1,127,289.36 × 730,169.12 - Step 4: Simplify right side
816,477.92x = 823,111,879,976.56 - Step 5: Solve for x
x = 823,111,879,976.56/816,477.92 - Step 6: Final answer
x = 1,008,125.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.