Finding the Fourth Proportional to 624,604.18, 861,741.84 and 406,713.37
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Solution
The fourth proportional to 624,604.18, 861,741.84 and 406,713.37 is: 561,126.45
Step by Step Solution
- Step 1: Write the proportion equation
624,604.18 : 861,741.84 = 406,713.37 : x - Step 2: Convert to fraction form
624,604.18/861,741.84 = 406,713.37/x - Step 3: Cross multiply
624,604.18x = 861,741.84 × 406,713.37 - Step 4: Simplify right side
624,604.18x = 350,481,927,816.40 - Step 5: Solve for x
x = 350,481,927,816.40/624,604.18 - Step 6: Final answer
x = 561,126.45
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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.