Finding the Fourth Proportional to 624,715.08, 862,102.86 and 338,234.28
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Solution
The fourth proportional to 624,715.08, 862,102.86 and 338,234.28 is: 466,761.17
Step by Step Solution
- Step 1: Write the proportion equation
624,715.08 : 862,102.86 = 338,234.28 : x - Step 2: Convert to fraction form
624,715.08/862,102.86 = 338,234.28/x - Step 3: Cross multiply
624,715.08x = 862,102.86 × 338,234.28 - Step 4: Simplify right side
624,715.08x = 291,592,740,138.04 - Step 5: Solve for x
x = 291,592,740,138.04/624,715.08 - Step 6: Final answer
x = 466,761.17
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1.5x scale
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.