Finding the Fourth Proportional to 689,932.26, 1,034,907.57 and 216,617.67
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Solution
The fourth proportional to 689,932.26, 1,034,907.57 and 216,617.67 is: 324,929.39
Step by Step Solution
- Step 1: Write the proportion equation
689,932.26 : 1,034,907.57 = 216,617.67 : x - Step 2: Convert to fraction form
689,932.26/1,034,907.57 = 216,617.67/x - Step 3: Cross multiply
689,932.26x = 1,034,907.57 × 216,617.67 - Step 4: Simplify right side
689,932.26x = 224,179,266,478.76 - Step 5: Solve for x
x = 224,179,266,478.76/689,932.26 - Step 6: Final answer
x = 324,929.39
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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.