Finding the Fourth Proportional to 1,349,382.85, 2,023,775.69 and 389,630.12
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Solution
The fourth proportional to 1,349,382.85, 2,023,775.69 and 389,630.12 is: 584,358.96
Step by Step Solution
- Step 1: Write the proportion equation
1,349,382.85 : 2,023,775.69 = 389,630.12 : x - Step 2: Convert to fraction form
1,349,382.85/2,023,775.69 = 389,630.12/x - Step 3: Cross multiply
1,349,382.85x = 2,023,775.69 × 389,630.12 - Step 4: Simplify right side
1,349,382.85x = 788,523,952,880.75 - Step 5: Solve for x
x = 788,523,952,880.75/1,349,382.85 - Step 6: Final answer
x = 584,358.96
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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.