Finding the Fourth Proportional to 805,230.72, 1,207,154.88 and 449,953.92
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Solution
The fourth proportional to 805,230.72, 1,207,154.88 and 449,953.92 is: 674,544.65
Step by Step Solution
- Step 1: Write the proportion equation
805,230.72 : 1,207,154.88 = 449,953.92 : x - Step 2: Convert to fraction form
805,230.72/1,207,154.88 = 449,953.92/x - Step 3: Cross multiply
805,230.72x = 1,207,154.88 × 449,953.92 - Step 4: Simplify right side
805,230.72x = 543,164,070,303.13 - Step 5: Solve for x
x = 543,164,070,303.13/805,230.72 - Step 6: Final answer
x = 674,544.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.