Finding the Fourth Proportional to 616,536.06, 850,793.67 and 387,213.18
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Solution
The fourth proportional to 616,536.06, 850,793.67 and 387,213.18 is: 534,337.80
Step by Step Solution
- Step 1: Write the proportion equation
616,536.06 : 850,793.67 = 387,213.18 : x - Step 2: Convert to fraction form
616,536.06/850,793.67 = 387,213.18/x - Step 3: Cross multiply
616,536.06x = 850,793.67 × 387,213.18 - Step 4: Simplify right side
616,536.06x = 329,438,522,484.57 - Step 5: Solve for x
x = 329,438,522,484.57/616,536.06 - Step 6: Final answer
x = 534,337.80
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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.