Finding the Fourth Proportional to 722,949.18, 1,083,283.15 and 266,913.31
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Solution
The fourth proportional to 722,949.18, 1,083,283.15 and 266,913.31 is: 399,948.85
Step by Step Solution
- Step 1: Write the proportion equation
722,949.18 : 1,083,283.15 = 266,913.31 : x - Step 2: Convert to fraction form
722,949.18/1,083,283.15 = 266,913.31/x - Step 3: Cross multiply
722,949.18x = 1,083,283.15 × 266,913.31 - Step 4: Simplify right side
722,949.18x = 289,142,691,233.73 - Step 5: Solve for x
x = 289,142,691,233.73/722,949.18 - Step 6: Final answer
x = 399,948.85
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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.