Finding the Fourth Proportional to 770,861.64, 1,155,627.99 and 297,878.88
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Solution
The fourth proportional to 770,861.64, 1,155,627.99 and 297,878.88 is: 446,561.55
Step by Step Solution
- Step 1: Write the proportion equation
770,861.64 : 1,155,627.99 = 297,878.88 : x - Step 2: Convert to fraction form
770,861.64/1,155,627.99 = 297,878.88/x - Step 3: Cross multiply
770,861.64x = 1,155,627.99 × 297,878.88 - Step 4: Simplify right side
770,861.64x = 344,237,171,357.85 - Step 5: Solve for x
x = 344,237,171,357.85/770,861.64 - Step 6: Final answer
x = 446,561.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.