Finding the Fourth Proportional to 802,178.36, 1,106,974.41 and 479,696.30
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Solution
The fourth proportional to 802,178.36, 1,106,974.41 and 479,696.30 is: 661,961.92
Step by Step Solution
- Step 1: Write the proportion equation
802,178.36 : 1,106,974.41 = 479,696.30 : x - Step 2: Convert to fraction form
802,178.36/1,106,974.41 = 479,696.30/x - Step 3: Cross multiply
802,178.36x = 1,106,974.41 × 479,696.30 - Step 4: Simplify right side
802,178.36x = 531,011,528,671.68 - Step 5: Solve for x
x = 531,011,528,671.68/802,178.36 - Step 6: Final answer
x = 661,961.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.