Finding the Fourth Proportional to 545,863.68, 753,454.08 and 344,793.60
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Solution
The fourth proportional to 545,863.68, 753,454.08 and 344,793.60 is: 475,917.62
Step by Step Solution
- Step 1: Write the proportion equation
545,863.68 : 753,454.08 = 344,793.60 : x - Step 2: Convert to fraction form
545,863.68/753,454.08 = 344,793.60/x - Step 3: Cross multiply
545,863.68x = 753,454.08 × 344,793.60 - Step 4: Simplify right side
545,863.68x = 259,786,144,677.89 - Step 5: Solve for x
x = 259,786,144,677.89/545,863.68 - Step 6: Final answer
x = 475,917.62
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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.