Finding the Fourth Proportional to 858,557.42, 1,184,749.96 and 476,554.12
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Solution
The fourth proportional to 858,557.42, 1,184,749.96 and 476,554.12 is: 657,611.78
Step by Step Solution
- Step 1: Write the proportion equation
858,557.42 : 1,184,749.96 = 476,554.12 : x - Step 2: Convert to fraction form
858,557.42/1,184,749.96 = 476,554.12/x - Step 3: Cross multiply
858,557.42x = 1,184,749.96 × 476,554.12 - Step 4: Simplify right side
858,557.42x = 564,597,474,607.84 - Step 5: Solve for x
x = 564,597,474,607.84/858,557.42 - Step 6: Final answer
x = 657,611.78
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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.