Finding the Fourth Proportional to 624,951.36, 862,428.56 and 338,464.88
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Solution
The fourth proportional to 624,951.36, 862,428.56 and 338,464.88 is: 467,079.20
Step by Step Solution
- Step 1: Write the proportion equation
624,951.36 : 862,428.56 = 338,464.88 : x - Step 2: Convert to fraction form
624,951.36/862,428.56 = 338,464.88/x - Step 3: Cross multiply
624,951.36x = 862,428.56 × 338,464.88 - Step 4: Simplify right side
624,951.36x = 291,901,779,068.97 - Step 5: Solve for x
x = 291,901,779,068.97/624,951.36 - Step 6: Final answer
x = 467,079.20
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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.