Finding the Fourth Proportional to 756,722.25, 1,134,959.04 and 307,424.97
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Solution
The fourth proportional to 756,722.25, 1,134,959.04 and 307,424.97 is: 461,086.94
Step by Step Solution
- Step 1: Write the proportion equation
756,722.25 : 1,134,959.04 = 307,424.97 : x - Step 2: Convert to fraction form
756,722.25/1,134,959.04 = 307,424.97/x - Step 3: Cross multiply
756,722.25x = 1,134,959.04 × 307,424.97 - Step 4: Simplify right side
756,722.25x = 348,914,748,823.23 - Step 5: Solve for x
x = 348,914,748,823.23/756,722.25 - Step 6: Final answer
x = 461,086.94
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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.