Finding the Fourth Proportional to 938,841.96, 1,295,602.56 and 509,121.96
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Solution
The fourth proportional to 938,841.96, 1,295,602.56 and 509,121.96 is: 702,588.66
Step by Step Solution
- Step 1: Write the proportion equation
938,841.96 : 1,295,602.56 = 509,121.96 : x - Step 2: Convert to fraction form
938,841.96/1,295,602.56 = 509,121.96/x - Step 3: Cross multiply
938,841.96x = 1,295,602.56 × 509,121.96 - Step 4: Simplify right side
938,841.96x = 659,619,714,728.22 - Step 5: Solve for x
x = 659,619,714,728.22/938,841.96 - Step 6: Final answer
x = 702,588.66
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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.