Finding the Fourth Proportional to 529,318.24, 793,893.99 and 439,934.87
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Solution
The fourth proportional to 529,318.24, 793,893.99 and 439,934.87 is: 659,833.01
Step by Step Solution
- Step 1: Write the proportion equation
529,318.24 : 793,893.99 = 439,934.87 : x - Step 2: Convert to fraction form
529,318.24/793,893.99 = 439,934.87/x - Step 3: Cross multiply
529,318.24x = 793,893.99 × 439,934.87 - Step 4: Simplify right side
529,318.24x = 349,261,646,974.15 - Step 5: Solve for x
x = 349,261,646,974.15/529,318.24 - Step 6: Final answer
x = 659,833.01
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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.