Finding the Fourth Proportional to 853,628.64, 1,178,005.10 and 471,652.70
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Solution
The fourth proportional to 853,628.64, 1,178,005.10 and 471,652.70 is: 650,879.39
Step by Step Solution
- Step 1: Write the proportion equation
853,628.64 : 1,178,005.10 = 471,652.70 : x - Step 2: Convert to fraction form
853,628.64/1,178,005.10 = 471,652.70/x - Step 3: Cross multiply
853,628.64x = 1,178,005.10 × 471,652.70 - Step 4: Simplify right side
853,628.64x = 555,609,286,028.77 - Step 5: Solve for x
x = 555,609,286,028.77/853,628.64 - Step 6: Final answer
x = 650,879.39
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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.