Finding the Fourth Proportional to 624,987.92, 862,431.36 and 366,836.96
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Solution
The fourth proportional to 624,987.92, 862,431.36 and 366,836.96 is: 506,204.50
Step by Step Solution
- Step 1: Write the proportion equation
624,987.92 : 862,431.36 = 366,836.96 : x - Step 2: Convert to fraction form
624,987.92/862,431.36 = 366,836.96/x - Step 3: Cross multiply
624,987.92x = 862,431.36 × 366,836.96 - Step 4: Simplify right side
624,987.92x = 316,371,698,311.07 - Step 5: Solve for x
x = 316,371,698,311.07/624,987.92 - Step 6: Final answer
x = 506,204.50
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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.