Finding the Fourth Proportional to 802,140.48, 1,203,212.34 and 328,740.84
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Solution
The fourth proportional to 802,140.48, 1,203,212.34 and 328,740.84 is: 493,111.92
Step by Step Solution
- Step 1: Write the proportion equation
802,140.48 : 1,203,212.34 = 328,740.84 : x - Step 2: Convert to fraction form
802,140.48/1,203,212.34 = 328,740.84/x - Step 3: Cross multiply
802,140.48x = 1,203,212.34 × 328,740.84 - Step 4: Simplify right side
802,140.48x = 395,545,035,349.97 - Step 5: Solve for x
x = 395,545,035,349.97/802,140.48 - Step 6: Final answer
x = 493,111.92
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.