Finding the Fourth Proportional to 656,329.02, 905,734.08 and 354,523.02
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Solution
The fourth proportional to 656,329.02, 905,734.08 and 354,523.02 is: 489,241.79
Step by Step Solution
- Step 1: Write the proportion equation
656,329.02 : 905,734.08 = 354,523.02 : x - Step 2: Convert to fraction form
656,329.02/905,734.08 = 354,523.02/x - Step 3: Cross multiply
656,329.02x = 905,734.08 × 354,523.02 - Step 4: Simplify right side
656,329.02x = 321,103,581,358.52 - Step 5: Solve for x
x = 321,103,581,358.52/656,329.02 - Step 6: Final answer
x = 489,241.79
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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.