Finding the Fourth Proportional to 1,349,273.55, 2,023,612.23 and 389,520.68
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Solution
The fourth proportional to 1,349,273.55, 2,023,612.23 and 389,520.68 is: 584,194.95
Step by Step Solution
- Step 1: Write the proportion equation
1,349,273.55 : 2,023,612.23 = 389,520.68 : x - Step 2: Convert to fraction form
1,349,273.55/2,023,612.23 = 389,520.68/x - Step 3: Cross multiply
1,349,273.55x = 2,023,612.23 × 389,520.68 - Step 4: Simplify right side
1,349,273.55x = 788,238,800,307.15 - Step 5: Solve for x
x = 788,238,800,307.15/1,349,273.55 - Step 6: Final answer
x = 584,194.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.