Finding the Fourth Proportional to 847,813.47, 1,170,003.68 and 460,629.02
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Solution
The fourth proportional to 847,813.47, 1,170,003.68 and 460,629.02 is: 635,679.50
Step by Step Solution
- Step 1: Write the proportion equation
847,813.47 : 1,170,003.68 = 460,629.02 : x - Step 2: Convert to fraction form
847,813.47/1,170,003.68 = 460,629.02/x - Step 3: Cross multiply
847,813.47x = 1,170,003.68 × 460,629.02 - Step 4: Simplify right side
847,813.47x = 538,937,640,361.63 - Step 5: Solve for x
x = 538,937,640,361.63/847,813.47 - Step 6: Final answer
x = 635,679.50
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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.