Finding the Fourth Proportional to 671,623.72, 1,007,434.50 and 460,621.96
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Solution
The fourth proportional to 671,623.72, 1,007,434.50 and 460,621.96 is: 690,932.20
Step by Step Solution
- Step 1: Write the proportion equation
671,623.72 : 1,007,434.50 = 460,621.96 : x - Step 2: Convert to fraction form
671,623.72/1,007,434.50 = 460,621.96/x - Step 3: Cross multiply
671,623.72x = 1,007,434.50 × 460,621.96 - Step 4: Simplify right side
671,623.72x = 464,046,453,961.62 - Step 5: Solve for x
x = 464,046,453,961.62/671,623.72 - Step 6: Final answer
x = 690,932.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.