Finding the Fourth Proportional to 545,431.24, 752,436.70 and 354,374.92
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Solution
The fourth proportional to 545,431.24, 752,436.70 and 354,374.92 is: 488,869.50
Step by Step Solution
- Step 1: Write the proportion equation
545,431.24 : 752,436.70 = 354,374.92 : x - Step 2: Convert to fraction form
545,431.24/752,436.70 = 354,374.92/x - Step 3: Cross multiply
545,431.24x = 752,436.70 × 354,374.92 - Step 4: Simplify right side
545,431.24x = 266,644,695,367.56 - Step 5: Solve for x
x = 266,644,695,367.56/545,431.24 - Step 6: Final answer
x = 488,869.50
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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.