Finding the Fourth Proportional to 748,557.92, 1,122,841.74 and 299,316.54
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Solution
The fourth proportional to 748,557.92, 1,122,841.74 and 299,316.54 is: 448,976.75
Step by Step Solution
- Step 1: Write the proportion equation
748,557.92 : 1,122,841.74 = 299,316.54 : x - Step 2: Convert to fraction form
748,557.92/1,122,841.74 = 299,316.54/x - Step 3: Cross multiply
748,557.92x = 1,122,841.74 × 299,316.54 - Step 4: Simplify right side
748,557.92x = 336,085,104,584.38 - Step 5: Solve for x
x = 336,085,104,584.38/748,557.92 - Step 6: Final answer
x = 448,976.75
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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.