Finding the Fourth Proportional to 816,924.38, 1,127,349.36 and 449,393.60
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Solution
The fourth proportional to 816,924.38, 1,127,349.36 and 449,393.60 is: 620,159.72
Step by Step Solution
- Step 1: Write the proportion equation
816,924.38 : 1,127,349.36 = 449,393.60 : x - Step 2: Convert to fraction form
816,924.38/1,127,349.36 = 449,393.60/x - Step 3: Cross multiply
816,924.38x = 1,127,349.36 × 449,393.60 - Step 4: Simplify right side
816,924.38x = 506,623,590,166.47 - Step 5: Solve for x
x = 506,623,590,166.47/816,924.38 - Step 6: Final answer
x = 620,159.72
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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.