Finding the Fourth Proportional to 858,243.23, 1,184,386.34 and 476,305.55
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Solution
The fourth proportional to 858,243.23, 1,184,386.34 and 476,305.55 is: 657,307.59
Step by Step Solution
- Step 1: Write the proportion equation
858,243.23 : 1,184,386.34 = 476,305.55 : x - Step 2: Convert to fraction form
858,243.23/1,184,386.34 = 476,305.55/x - Step 3: Cross multiply
858,243.23x = 1,184,386.34 × 476,305.55 - Step 4: Simplify right side
858,243.23x = 564,129,787,086.19 - Step 5: Solve for x
x = 564,129,787,086.19/858,243.23 - Step 6: Final answer
x = 657,307.59
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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.