Finding the Fourth Proportional to 858,769.16, 1,185,046.62 and 476,795.84
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Solution
The fourth proportional to 858,769.16, 1,185,046.62 and 476,795.84 is: 657,947.82
Step by Step Solution
- Step 1: Write the proportion equation
858,769.16 : 1,185,046.62 = 476,795.84 : x - Step 2: Convert to fraction form
858,769.16/1,185,046.62 = 476,795.84/x - Step 3: Cross multiply
858,769.16x = 1,185,046.62 × 476,795.84 - Step 4: Simplify right side
858,769.16x = 565,025,298,622.06 - Step 5: Solve for x
x = 565,025,298,622.06/858,769.16 - Step 6: Final answer
x = 657,947.82
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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.