Finding the Fourth Proportional to 974,538.70, 1,461,808.05 and 738,342.70
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Solution
The fourth proportional to 974,538.70, 1,461,808.05 and 738,342.70 is: 1,107,514.05
Step by Step Solution
- Step 1: Write the proportion equation
974,538.70 : 1,461,808.05 = 738,342.70 : x - Step 2: Convert to fraction form
974,538.70/1,461,808.05 = 738,342.70/x - Step 3: Cross multiply
974,538.70x = 1,461,808.05 × 738,342.70 - Step 4: Simplify right side
974,538.70x = 1,079,315,302,518.74 - Step 5: Solve for x
x = 1,079,315,302,518.74/974,538.70 - Step 6: Final answer
x = 1,107,514.05
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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.