Finding the Fourth Proportional to 623,663.60, 860,655.67 and 337,183.68
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Solution
The fourth proportional to 623,663.60, 860,655.67 and 337,183.68 is: 465,313.43
Step by Step Solution
- Step 1: Write the proportion equation
623,663.60 : 860,655.67 = 337,183.68 : x - Step 2: Convert to fraction form
623,663.60/860,655.67 = 337,183.68/x - Step 3: Cross multiply
623,663.60x = 860,655.67 × 337,183.68 - Step 4: Simplify right side
623,663.60x = 290,199,048,407.97 - Step 5: Solve for x
x = 290,199,048,407.97/623,663.60 - Step 6: Final answer
x = 465,313.43
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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.