Finding the Fourth Proportional to 658,450.08, 908,663.04 and 356,644.08
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Solution
The fourth proportional to 658,450.08, 908,663.04 and 356,644.08 is: 492,169.88
Step by Step Solution
- Step 1: Write the proportion equation
658,450.08 : 908,663.04 = 356,644.08 : x - Step 2: Convert to fraction form
658,450.08/908,663.04 = 356,644.08/x - Step 3: Cross multiply
658,450.08x = 908,663.04 × 356,644.08 - Step 4: Simplify right side
658,450.08x = 324,069,293,930.80 - Step 5: Solve for x
x = 324,069,293,930.80/658,450.08 - Step 6: Final answer
x = 492,169.88
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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.