Finding the Fourth Proportional to 985,877.08, 1,478,815.86 and 276,009.68
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Solution
The fourth proportional to 985,877.08, 1,478,815.86 and 276,009.68 is: 414,014.59
Step by Step Solution
- Step 1: Write the proportion equation
985,877.08 : 1,478,815.86 = 276,009.68 : x - Step 2: Convert to fraction form
985,877.08/1,478,815.86 = 276,009.68/x - Step 3: Cross multiply
985,877.08x = 1,478,815.86 × 276,009.68 - Step 4: Simplify right side
985,877.08x = 408,167,492,297.53 - Step 5: Solve for x
x = 408,167,492,297.53/985,877.08 - Step 6: Final answer
x = 414,014.59
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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.