Finding the Fourth Proportional to 979,207.76, 1,467,630.47 and 505,634.96
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Solution
The fourth proportional to 979,207.76, 1,467,630.47 and 505,634.96 is: 757,842.51
Step by Step Solution
- Step 1: Write the proportion equation
979,207.76 : 1,467,630.47 = 505,634.96 : x - Step 2: Convert to fraction form
979,207.76/1,467,630.47 = 505,634.96/x - Step 3: Cross multiply
979,207.76x = 1,467,630.47 × 505,634.96 - Step 4: Simplify right side
979,207.76x = 742,085,264,126.90 - Step 5: Solve for x
x = 742,085,264,126.90/979,207.76 - Step 6: Final answer
x = 757,842.51
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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.