Finding the Fourth Proportional to 938,832.07, 1,295,588.60 and 509,112.08
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Solution
The fourth proportional to 938,832.07, 1,295,588.60 and 509,112.08 is: 702,574.86
Step by Step Solution
- Step 1: Write the proportion equation
938,832.07 : 1,295,588.60 = 509,112.08 : x - Step 2: Convert to fraction form
938,832.07/1,295,588.60 = 509,112.08/x - Step 3: Cross multiply
938,832.07x = 1,295,588.60 × 509,112.08 - Step 4: Simplify right side
938,832.07x = 659,599,806,970.29 - Step 5: Solve for x
x = 659,599,806,970.29/938,832.07 - Step 6: Final answer
x = 702,574.86
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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.