Finding the Fourth Proportional to 455,852.80, 682,795.05 and 396,803.80
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Solution
The fourth proportional to 455,852.80, 682,795.05 and 396,803.80 is: 594,349.03
Step by Step Solution
- Step 1: Write the proportion equation
455,852.80 : 682,795.05 = 396,803.80 : x - Step 2: Convert to fraction form
455,852.80/682,795.05 = 396,803.80/x - Step 3: Cross multiply
455,852.80x = 682,795.05 × 396,803.80 - Step 4: Simplify right side
455,852.80x = 270,935,670,461.19 - Step 5: Solve for x
x = 270,935,670,461.19/455,852.80 - Step 6: Final answer
x = 594,349.03
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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.