Finding the Fourth Proportional to 985,876.08, 1,478,814.36 and 276,008.68
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Solution
The fourth proportional to 985,876.08, 1,478,814.36 and 276,008.68 is: 414,013.09
Step by Step Solution
- Step 1: Write the proportion equation
985,876.08 : 1,478,814.36 = 276,008.68 : x - Step 2: Convert to fraction form
985,876.08/1,478,814.36 = 276,008.68/x - Step 3: Cross multiply
985,876.08x = 1,478,814.36 × 276,008.68 - Step 4: Simplify right side
985,876.08x = 408,165,599,468.65 - Step 5: Solve for x
x = 408,165,599,468.65/985,876.08 - Step 6: Final answer
x = 414,013.09
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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.