Finding the Fourth Proportional to 858,277.12, 1,184,427.02 and 476,304.20
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Solution
The fourth proportional to 858,277.12, 1,184,427.02 and 476,304.20 is: 657,302.35
Step by Step Solution
- Step 1: Write the proportion equation
858,277.12 : 1,184,427.02 = 476,304.20 : x - Step 2: Convert to fraction form
858,277.12/1,184,427.02 = 476,304.20/x - Step 3: Cross multiply
858,277.12x = 1,184,427.02 × 476,304.20 - Step 4: Simplify right side
858,277.12x = 564,147,564,219.48 - Step 5: Solve for x
x = 564,147,564,219.48/858,277.12 - Step 6: Final answer
x = 657,302.35
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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.