Finding the Fourth Proportional to 560,385.68, 773,378.04 and 318,743.84
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Solution
The fourth proportional to 560,385.68, 773,378.04 and 318,743.84 is: 439,892.55
Step by Step Solution
- Step 1: Write the proportion equation
560,385.68 : 773,378.04 = 318,743.84 : x - Step 2: Convert to fraction form
560,385.68/773,378.04 = 318,743.84/x - Step 3: Cross multiply
560,385.68x = 773,378.04 × 318,743.84 - Step 4: Simplify right side
560,385.68x = 246,509,486,241.27 - Step 5: Solve for x
x = 246,509,486,241.27/560,385.68 - Step 6: Final answer
x = 439,892.55
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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.