Finding the Fourth Proportional to 622,809.70, 934,214.55 and 482,841.70
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Solution
The fourth proportional to 622,809.70, 934,214.55 and 482,841.70 is: 724,262.55
Step by Step Solution
- Step 1: Write the proportion equation
622,809.70 : 934,214.55 = 482,841.70 : x - Step 2: Convert to fraction form
622,809.70/934,214.55 = 482,841.70/x - Step 3: Cross multiply
622,809.70x = 934,214.55 × 482,841.70 - Step 4: Simplify right side
622,809.70x = 451,077,741,486.74 - Step 5: Solve for x
x = 451,077,741,486.74/622,809.70 - Step 6: Final answer
x = 724,262.55
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1.5x scale
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.