Finding the Fourth Proportional to 974,537.20, 1,461,805.80 and 738,341.20
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Solution
The fourth proportional to 974,537.20, 1,461,805.80 and 738,341.20 is: 1,107,511.80
Step by Step Solution
- Step 1: Write the proportion equation
974,537.20 : 1,461,805.80 = 738,341.20 : x - Step 2: Convert to fraction form
974,537.20/1,461,805.80 = 738,341.20/x - Step 3: Cross multiply
974,537.20x = 1,461,805.80 × 738,341.20 - Step 4: Simplify right side
974,537.20x = 1,079,311,448,538.96 - Step 5: Solve for x
x = 1,079,311,448,538.96/974,537.20 - Step 6: Final answer
x = 1,107,511.80
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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.