Finding the Fourth Proportional to 458,228.26, 687,845.20 and 364,063.74
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Solution
The fourth proportional to 458,228.26, 687,845.20 and 364,063.74 is: 546,495.09
Step by Step Solution
- Step 1: Write the proportion equation
458,228.26 : 687,845.20 = 364,063.74 : x - Step 2: Convert to fraction form
458,228.26/687,845.20 = 364,063.74/x - Step 3: Cross multiply
458,228.26x = 687,845.20 × 364,063.74 - Step 4: Simplify right side
458,228.26x = 250,419,496,053.05 - Step 5: Solve for x
x = 250,419,496,053.05/458,228.26 - Step 6: Final answer
x = 546,495.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.