Finding the Fourth Proportional to 834,274.12, 1,251,783.30 and 384,753.68
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Solution
The fourth proportional to 834,274.12, 1,251,783.30 and 384,753.68 is: 577,302.14
Step by Step Solution
- Step 1: Write the proportion equation
834,274.12 : 1,251,783.30 = 384,753.68 : x - Step 2: Convert to fraction form
834,274.12/1,251,783.30 = 384,753.68/x - Step 3: Cross multiply
834,274.12x = 1,251,783.30 × 384,753.68 - Step 4: Simplify right side
834,274.12x = 481,628,231,237.54 - Step 5: Solve for x
x = 481,628,231,237.54/834,274.12 - Step 6: Final answer
x = 577,302.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.