Finding the Fourth Proportional to 748,557.67, 1,122,841.37 and 299,316.28
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Solution
The fourth proportional to 748,557.67, 1,122,841.37 and 299,316.28 is: 448,976.37
Step by Step Solution
- Step 1: Write the proportion equation
748,557.67 : 1,122,841.37 = 299,316.28 : x - Step 2: Convert to fraction form
748,557.67/1,122,841.37 = 299,316.28/x - Step 3: Cross multiply
748,557.67x = 1,122,841.37 × 299,316.28 - Step 4: Simplify right side
748,557.67x = 336,084,701,898.50 - Step 5: Solve for x
x = 336,084,701,898.50/748,557.67 - Step 6: Final answer
x = 448,976.37
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1.5x scale
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.