Finding the Fourth Proportional to 560,353.62, 773,284.35 and 318,636.18
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Solution
The fourth proportional to 560,353.62, 773,284.35 and 318,636.18 is: 439,715.86
Step by Step Solution
- Step 1: Write the proportion equation
560,353.62 : 773,284.35 = 318,636.18 : x - Step 2: Convert to fraction form
560,353.62/773,284.35 = 318,636.18/x - Step 3: Cross multiply
560,353.62x = 773,284.35 × 318,636.18 - Step 4: Simplify right side
560,353.62x = 246,396,371,337.78 - Step 5: Solve for x
x = 246,396,371,337.78/560,353.62 - Step 6: Final answer
x = 439,715.86
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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.