Finding the Fourth Proportional to 912,737.92, 1,259,192.64 and 611,029.12
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Solution
The fourth proportional to 912,737.92, 1,259,192.64 and 611,029.12 is: 842,961.99
Step by Step Solution
- Step 1: Write the proportion equation
912,737.92 : 1,259,192.64 = 611,029.12 : x - Step 2: Convert to fraction form
912,737.92/1,259,192.64 = 611,029.12/x - Step 3: Cross multiply
912,737.92x = 1,259,192.64 × 611,029.12 - Step 4: Simplify right side
912,737.92x = 769,403,370,729.68 - Step 5: Solve for x
x = 769,403,370,729.68/912,737.92 - Step 6: Final answer
x = 842,961.99
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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.