Finding the Fourth Proportional to 824,526.95, 1,137,893.97 and 462,067.69
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Solution
The fourth proportional to 824,526.95, 1,137,893.97 and 462,067.69 is: 637,679.63
Step by Step Solution
- Step 1: Write the proportion equation
824,526.95 : 1,137,893.97 = 462,067.69 : x - Step 2: Convert to fraction form
824,526.95/1,137,893.97 = 462,067.69/x - Step 3: Cross multiply
824,526.95x = 1,137,893.97 × 462,067.69 - Step 4: Simplify right side
824,526.95x = 525,784,039,204.40 - Step 5: Solve for x
x = 525,784,039,204.40/824,526.95 - Step 6: Final answer
x = 637,679.63
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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.