Finding the Fourth Proportional to 717,347.43, 1,076,163.09 and 205,017.17
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Solution
The fourth proportional to 717,347.43, 1,076,163.09 and 205,017.17 is: 307,566.32
Step by Step Solution
- Step 1: Write the proportion equation
717,347.43 : 1,076,163.09 = 205,017.17 : x - Step 2: Convert to fraction form
717,347.43/1,076,163.09 = 205,017.17/x - Step 3: Cross multiply
717,347.43x = 1,076,163.09 × 205,017.17 - Step 4: Simplify right side
717,347.43x = 220,631,905,789.44 - Step 5: Solve for x
x = 220,631,905,789.44/717,347.43 - Step 6: Final answer
x = 307,566.32
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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.