Finding the Fourth Proportional to 971,697.14, 1,340,580.54 and 563,570.12
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Solution
The fourth proportional to 971,697.14, 1,340,580.54 and 563,570.12 is: 777,517.09
Step by Step Solution
- Step 1: Write the proportion equation
971,697.14 : 1,340,580.54 = 563,570.12 : x - Step 2: Convert to fraction form
971,697.14/1,340,580.54 = 563,570.12/x - Step 3: Cross multiply
971,697.14x = 1,340,580.54 × 563,570.12 - Step 4: Simplify right side
971,697.14x = 755,511,135,797.47 - Step 5: Solve for x
x = 755,511,135,797.47/971,697.14 - Step 6: Final answer
x = 777,517.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.