Finding the Fourth Proportional to 991,946.24, 1,368,893.76 and 539,236.16
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Solution
The fourth proportional to 991,946.24, 1,368,893.76 and 539,236.16 is: 744,150.22
Step by Step Solution
- Step 1: Write the proportion equation
991,946.24 : 1,368,893.76 = 539,236.16 : x - Step 2: Convert to fraction form
991,946.24/1,368,893.76 = 539,236.16/x - Step 3: Cross multiply
991,946.24x = 1,368,893.76 × 539,236.16 - Step 4: Simplify right side
991,946.24x = 738,157,014,590.36 - Step 5: Solve for x
x = 738,157,014,590.36/991,946.24 - Step 6: Final answer
x = 744,150.22
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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.