Finding the Fourth Proportional to 676,879.88, 1,014,853.26 and 321,594.44
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Solution
The fourth proportional to 676,879.88, 1,014,853.26 and 321,594.44 is: 482,169.99
Step by Step Solution
- Step 1: Write the proportion equation
676,879.88 : 1,014,853.26 = 321,594.44 : x - Step 2: Convert to fraction form
676,879.88/1,014,853.26 = 321,594.44/x - Step 3: Cross multiply
676,879.88x = 1,014,853.26 × 321,594.44 - Step 4: Simplify right side
676,879.88x = 326,371,165,831.87 - Step 5: Solve for x
x = 326,371,165,831.87/676,879.88 - Step 6: Final answer
x = 482,169.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.