Finding the Fourth Proportional to 623,684.99, 860,684.56 and 337,204.40
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Solution
The fourth proportional to 623,684.99, 860,684.56 and 337,204.40 is: 465,341.67
Step by Step Solution
- Step 1: Write the proportion equation
623,684.99 : 860,684.56 = 337,204.40 : x - Step 2: Convert to fraction form
623,684.99/860,684.56 = 337,204.40/x - Step 3: Cross multiply
623,684.99x = 860,684.56 × 337,204.40 - Step 4: Simplify right side
623,684.99x = 290,226,614,654.62 - Step 5: Solve for x
x = 290,226,614,654.62/623,684.99 - Step 6: Final answer
x = 465,341.67
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1.5x scale
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.