Finding the Fourth Proportional to 858,564.42, 1,184,759.62 and 476,561.13
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Solution
The fourth proportional to 858,564.42, 1,184,759.62 and 476,561.13 is: 657,621.46
Step by Step Solution
- Step 1: Write the proportion equation
858,564.42 : 1,184,759.62 = 476,561.13 : x - Step 2: Convert to fraction form
858,564.42/1,184,759.62 = 476,561.13/x - Step 3: Cross multiply
858,564.42x = 1,184,759.62 × 476,561.13 - Step 4: Simplify right side
858,564.42x = 564,610,383,285.57 - Step 5: Solve for x
x = 564,610,383,285.57/858,564.42 - Step 6: Final answer
x = 657,621.46
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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.