Finding the Fourth Proportional to 623,911.62, 860,998.04 and 337,431.71
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Solution
The fourth proportional to 623,911.62, 860,998.04 and 337,431.71 is: 465,655.75
Step by Step Solution
- Step 1: Write the proportion equation
623,911.62 : 860,998.04 = 337,431.71 : x - Step 2: Convert to fraction form
623,911.62/860,998.04 = 337,431.71/x - Step 3: Cross multiply
623,911.62x = 860,998.04 × 337,431.71 - Step 4: Simplify right side
623,911.62x = 290,528,034,951.70 - Step 5: Solve for x
x = 290,528,034,951.70/623,911.62 - Step 6: Final answer
x = 465,655.75
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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.