Finding the Fourth Proportional to 623,790.62, 860,830.02 and 351,857.66
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Solution
The fourth proportional to 623,790.62, 860,830.02 and 351,857.66 is: 485,562.99
Step by Step Solution
- Step 1: Write the proportion equation
623,790.62 : 860,830.02 = 351,857.66 : x - Step 2: Convert to fraction form
623,790.62/860,830.02 = 351,857.66/x - Step 3: Cross multiply
623,790.62x = 860,830.02 × 351,857.66 - Step 4: Simplify right side
623,790.62x = 302,889,636,494.95 - Step 5: Solve for x
x = 302,889,636,494.95/623,790.62 - Step 6: Final answer
x = 485,562.99
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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.