Finding the Fourth Proportional to 853,458.18, 1,177,671.83 and 471,462.18
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Solution
The fourth proportional to 853,458.18, 1,177,671.83 and 471,462.18 is: 650,562.31
Step by Step Solution
- Step 1: Write the proportion equation
853,458.18 : 1,177,671.83 = 471,462.18 : x - Step 2: Convert to fraction form
853,458.18/1,177,671.83 = 471,462.18/x - Step 3: Cross multiply
853,458.18x = 1,177,671.83 × 471,462.18 - Step 4: Simplify right side
853,458.18x = 555,227,722,408.03 - Step 5: Solve for x
x = 555,227,722,408.03/853,458.18 - Step 6: Final answer
x = 650,562.31
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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.