Finding the Fourth Proportional to 715,758.65, 1,073,609.92 and 242,443.99
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Solution
The fourth proportional to 715,758.65, 1,073,609.92 and 242,443.99 is: 363,656.48
Step by Step Solution
- Step 1: Write the proportion equation
715,758.65 : 1,073,609.92 = 242,443.99 : x - Step 2: Convert to fraction form
715,758.65/1,073,609.92 = 242,443.99/x - Step 3: Cross multiply
715,758.65x = 1,073,609.92 × 242,443.99 - Step 4: Simplify right side
715,758.65x = 260,290,272,708.38 - Step 5: Solve for x
x = 260,290,272,708.38/715,758.65 - Step 6: Final answer
x = 363,656.48
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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.