Finding the Fourth Proportional to 753,184.96, 1,039,403.43 and 413,653.18
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Solution
The fourth proportional to 753,184.96, 1,039,403.43 and 413,653.18 is: 570,845.88
Step by Step Solution
- Step 1: Write the proportion equation
753,184.96 : 1,039,403.43 = 413,653.18 : x - Step 2: Convert to fraction form
753,184.96/1,039,403.43 = 413,653.18/x - Step 3: Cross multiply
753,184.96x = 1,039,403.43 × 413,653.18 - Step 4: Simplify right side
753,184.96x = 429,952,534,122.41 - Step 5: Solve for x
x = 429,952,534,122.41/753,184.96 - Step 6: Final answer
x = 570,845.88
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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.