Finding the Fourth Proportional to 757,914.04, 1,045,920.36 and 418,381.48
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Solution
The fourth proportional to 757,914.04, 1,045,920.36 and 418,381.48 is: 577,365.88
Step by Step Solution
- Step 1: Write the proportion equation
757,914.04 : 1,045,920.36 = 418,381.48 : x - Step 2: Convert to fraction form
757,914.04/1,045,920.36 = 418,381.48/x - Step 3: Cross multiply
757,914.04x = 1,045,920.36 × 418,381.48 - Step 4: Simplify right side
757,914.04x = 437,593,708,178.93 - Step 5: Solve for x
x = 437,593,708,178.93/757,914.04 - Step 6: Final answer
x = 577,365.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.