Finding the Fourth Proportional to 776,238.75, 1,164,291.42 and 472,554.08
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Solution
The fourth proportional to 776,238.75, 1,164,291.42 and 472,554.08 is: 708,790.52
Step by Step Solution
- Step 1: Write the proportion equation
776,238.75 : 1,164,291.42 = 472,554.08 : x - Step 2: Convert to fraction form
776,238.75/1,164,291.42 = 472,554.08/x - Step 3: Cross multiply
776,238.75x = 1,164,291.42 × 472,554.08 - Step 4: Simplify right side
776,238.75x = 550,190,663,740.72 - Step 5: Solve for x
x = 550,190,663,740.72/776,238.75 - Step 6: Final answer
x = 708,790.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.