Finding the Fourth Proportional to 858,743.16, 1,185,010.74 and 476,769.84
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Solution
The fourth proportional to 858,743.16, 1,185,010.74 and 476,769.84 is: 657,911.94
Step by Step Solution
- Step 1: Write the proportion equation
858,743.16 : 1,185,010.74 = 476,769.84 : x - Step 2: Convert to fraction form
858,743.16/1,185,010.74 = 476,769.84/x - Step 3: Cross multiply
858,743.16x = 1,185,010.74 × 476,769.84 - Step 4: Simplify right side
858,743.16x = 564,977,380,908.08 - Step 5: Solve for x
x = 564,977,380,908.08/858,743.16 - Step 6: Final answer
x = 657,911.94
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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.