Finding the Fourth Proportional to 762,903.85, 1,144,555.18 and 442,747.95
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Solution
The fourth proportional to 762,903.85, 1,144,555.18 and 442,747.95 is: 664,237.65
Step by Step Solution
- Step 1: Write the proportion equation
762,903.85 : 1,144,555.18 = 442,747.95 : x - Step 2: Convert to fraction form
762,903.85/1,144,555.18 = 442,747.95/x - Step 3: Cross multiply
762,903.85x = 1,144,555.18 × 442,747.95 - Step 4: Simplify right side
762,903.85x = 506,749,456,755.12 - Step 5: Solve for x
x = 506,749,456,755.12/762,903.85 - Step 6: Final answer
x = 664,237.65
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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.