Finding the Fourth Proportional to 684,379.80, 1,026,489.78 and 211,024.44
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Solution
The fourth proportional to 684,379.80, 1,026,489.78 and 211,024.44 is: 316,512.02
Step by Step Solution
- Step 1: Write the proportion equation
684,379.80 : 1,026,489.78 = 211,024.44 : x - Step 2: Convert to fraction form
684,379.80/1,026,489.78 = 211,024.44/x - Step 3: Cross multiply
684,379.80x = 1,026,489.78 × 211,024.44 - Step 4: Simplify right side
684,379.80x = 216,614,430,990.22 - Step 5: Solve for x
x = 216,614,430,990.22/684,379.80 - Step 6: Final answer
x = 316,512.02
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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.