Finding the Fourth Proportional to 1,087,950.84, 1,631,925.96 and 339,996.84
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Solution
The fourth proportional to 1,087,950.84, 1,631,925.96 and 339,996.84 is: 509,995.17
Step by Step Solution
- Step 1: Write the proportion equation
1,087,950.84 : 1,631,925.96 = 339,996.84 : x - Step 2: Convert to fraction form
1,087,950.84/1,631,925.96 = 339,996.84/x - Step 3: Cross multiply
1,087,950.84x = 1,631,925.96 × 339,996.84 - Step 4: Simplify right side
1,087,950.84x = 554,849,669,513.97 - Step 5: Solve for x
x = 554,849,669,513.97/1,087,950.84 - Step 6: Final answer
x = 509,995.17
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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.