Finding the Fourth Proportional to 527,077.80, 727,486.92 and 412,129.08
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Solution
The fourth proportional to 527,077.80, 727,486.92 and 412,129.08 is: 568,831.61
Step by Step Solution
- Step 1: Write the proportion equation
527,077.80 : 727,486.92 = 412,129.08 : x - Step 2: Convert to fraction form
527,077.80/727,486.92 = 412,129.08/x - Step 3: Cross multiply
527,077.80x = 727,486.92 × 412,129.08 - Step 4: Simplify right side
527,077.80x = 299,818,515,051.63 - Step 5: Solve for x
x = 299,818,515,051.63/527,077.80 - Step 6: Final answer
x = 568,831.61
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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.