Finding the Fourth Proportional to 709,586.09, 1,064,519.16 and 260,310.68
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Solution
The fourth proportional to 709,586.09, 1,064,519.16 and 260,310.68 is: 390,517.39
Step by Step Solution
- Step 1: Write the proportion equation
709,586.09 : 1,064,519.16 = 260,310.68 : x - Step 2: Convert to fraction form
709,586.09/1,064,519.16 = 260,310.68/x - Step 3: Cross multiply
709,586.09x = 1,064,519.16 × 260,310.68 - Step 4: Simplify right side
709,586.09x = 277,105,706,412.63 - Step 5: Solve for x
x = 277,105,706,412.63/709,586.09 - Step 6: Final answer
x = 390,517.39
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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.