Finding the Fourth Proportional to 1,009,694.79, 1,393,382.79 and 550,819.17
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Solution
The fourth proportional to 1,009,694.79, 1,393,382.79 and 550,819.17 is: 760,132.63
Step by Step Solution
- Step 1: Write the proportion equation
1,009,694.79 : 1,393,382.79 = 550,819.17 : x - Step 2: Convert to fraction form
1,009,694.79/1,393,382.79 = 550,819.17/x - Step 3: Cross multiply
1,009,694.79x = 1,393,382.79 × 550,819.17 - Step 4: Simplify right side
1,009,694.79x = 767,501,951,880.08 - Step 5: Solve for x
x = 767,501,951,880.08/1,009,694.79 - Step 6: Final answer
x = 760,132.63
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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.