Finding the Fourth Proportional to 824,193.88, 1,235,294.37 and 424,616.68
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Solution
The fourth proportional to 824,193.88, 1,235,294.37 and 424,616.68 is: 636,411.66
Step by Step Solution
- Step 1: Write the proportion equation
824,193.88 : 1,235,294.37 = 424,616.68 : x - Step 2: Convert to fraction form
824,193.88/1,235,294.37 = 424,616.68/x - Step 3: Cross multiply
824,193.88x = 1,235,294.37 × 424,616.68 - Step 4: Simplify right side
824,193.88x = 524,526,596,950.44 - Step 5: Solve for x
x = 524,526,596,950.44/824,193.88 - Step 6: Final answer
x = 636,411.66
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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.