Finding the Fourth Proportional to 660,405.92, 989,917.49 and 276,374.80
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Solution
The fourth proportional to 660,405.92, 989,917.49 and 276,374.80 is: 414,272.86
Step by Step Solution
- Step 1: Write the proportion equation
660,405.92 : 989,917.49 = 276,374.80 : x - Step 2: Convert to fraction form
660,405.92/989,917.49 = 276,374.80/x - Step 3: Cross multiply
660,405.92x = 989,917.49 × 276,374.80 - Step 4: Simplify right side
660,405.92x = 273,588,248,315.25 - Step 5: Solve for x
x = 273,588,248,315.25/660,405.92 - Step 6: Final answer
x = 414,272.86
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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.