Finding the Fourth Proportional to 886,793.75, 1,223,705.70 and 499,592.09
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Solution
The fourth proportional to 886,793.75, 1,223,705.70 and 499,592.09 is: 689,397.83
Step by Step Solution
- Step 1: Write the proportion equation
886,793.75 : 1,223,705.70 = 499,592.09 : x - Step 2: Convert to fraction form
886,793.75/1,223,705.70 = 499,592.09/x - Step 3: Cross multiply
886,793.75x = 1,223,705.70 × 499,592.09 - Step 4: Simplify right side
886,793.75x = 611,353,682,089.39 - Step 5: Solve for x
x = 611,353,682,089.39/886,793.75 - Step 6: Final answer
x = 689,397.83
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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.