Finding the Fourth Proportional to 578,896.94, 798,877.76 and 352,542.44
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Solution
The fourth proportional to 578,896.94, 798,877.76 and 352,542.44 is: 486,508.55
Step by Step Solution
- Step 1: Write the proportion equation
578,896.94 : 798,877.76 = 352,542.44 : x - Step 2: Convert to fraction form
578,896.94/798,877.76 = 352,542.44/x - Step 3: Cross multiply
578,896.94x = 798,877.76 × 352,542.44 - Step 4: Simplify right side
578,896.94x = 281,638,309,015.03 - Step 5: Solve for x
x = 281,638,309,015.03/578,896.94 - Step 6: Final answer
x = 486,508.55
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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.