Finding the Fourth Proportional to 647,546.10, 971,319.15 and 513,701.70
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Solution
The fourth proportional to 647,546.10, 971,319.15 and 513,701.70 is: 770,552.55
Step by Step Solution
- Step 1: Write the proportion equation
647,546.10 : 971,319.15 = 513,701.70 : x - Step 2: Convert to fraction form
647,546.10/971,319.15 = 513,701.70/x - Step 3: Cross multiply
647,546.10x = 971,319.15 × 513,701.70 - Step 4: Simplify right side
647,546.10x = 498,968,298,597.56 - Step 5: Solve for x
x = 498,968,298,597.56/647,546.10 - Step 6: Final answer
x = 770,552.55
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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.