Finding the Fourth Proportional to 858,385.82, 1,184,627.80 and 476,412.62
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Solution
The fourth proportional to 858,385.82, 1,184,627.80 and 476,412.62 is: 657,480.14
Step by Step Solution
- Step 1: Write the proportion equation
858,385.82 : 1,184,627.80 = 476,412.62 : x - Step 2: Convert to fraction form
858,385.82/1,184,627.80 = 476,412.62/x - Step 3: Cross multiply
858,385.82x = 1,184,627.80 × 476,412.62 - Step 4: Simplify right side
858,385.82x = 564,371,628,595.21 - Step 5: Solve for x
x = 564,371,628,595.21/858,385.82 - Step 6: Final answer
x = 657,480.14
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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.