Finding the Fourth Proportional to 594,664.96, 821,318.74 and 391,623.48
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Solution
The fourth proportional to 594,664.96, 821,318.74 and 391,623.48 is: 540,888.95
Step by Step Solution
- Step 1: Write the proportion equation
594,664.96 : 821,318.74 = 391,623.48 : x - Step 2: Convert to fraction form
594,664.96/821,318.74 = 391,623.48/x - Step 3: Cross multiply
594,664.96x = 821,318.74 × 391,623.48 - Step 4: Simplify right side
594,664.96x = 321,647,703,148.02 - Step 5: Solve for x
x = 321,647,703,148.02/594,664.96 - Step 6: Final answer
x = 540,888.95
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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.