Finding the Fourth Proportional to 541,657.80, 812,486.70 and 384,193.80
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Solution
The fourth proportional to 541,657.80, 812,486.70 and 384,193.80 is: 576,290.70
Step by Step Solution
- Step 1: Write the proportion equation
541,657.80 : 812,486.70 = 384,193.80 : x - Step 2: Convert to fraction form
541,657.80/812,486.70 = 384,193.80/x - Step 3: Cross multiply
541,657.80x = 812,486.70 × 384,193.80 - Step 4: Simplify right side
541,657.80x = 312,152,352,722.46 - Step 5: Solve for x
x = 312,152,352,722.46/541,657.80 - Step 6: Final answer
x = 576,290.70
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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.