Finding the Fourth Proportional to 623,745.14, 860,768.80 and 337,265.42
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Solution
The fourth proportional to 623,745.14, 860,768.80 and 337,265.42 is: 465,426.55
Step by Step Solution
- Step 1: Write the proportion equation
623,745.14 : 860,768.80 = 337,265.42 : x - Step 2: Convert to fraction form
623,745.14/860,768.80 = 337,265.42/x - Step 3: Cross multiply
623,745.14x = 860,768.80 × 337,265.42 - Step 4: Simplify right side
623,745.14x = 290,307,550,854.90 - Step 5: Solve for x
x = 290,307,550,854.90/623,745.14 - Step 6: Final answer
x = 465,426.55
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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.