Finding the Fourth Proportional to 644,503.80, 966,755.70 and 364,567.80
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Solution
The fourth proportional to 644,503.80, 966,755.70 and 364,567.80 is: 546,851.70
Step by Step Solution
- Step 1: Write the proportion equation
644,503.80 : 966,755.70 = 364,567.80 : x - Step 2: Convert to fraction form
644,503.80/966,755.70 = 364,567.80/x - Step 3: Cross multiply
644,503.80x = 966,755.70 × 364,567.80 - Step 4: Simplify right side
644,503.80x = 352,447,998,686.46 - Step 5: Solve for x
x = 352,447,998,686.46/644,503.80 - Step 6: Final answer
x = 546,851.70
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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.