Finding the Fourth Proportional to 504,495.12, 696,220.04 and 300,518.19
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Solution
The fourth proportional to 504,495.12, 696,220.04 and 300,518.19 is: 414,725.09
Step by Step Solution
- Step 1: Write the proportion equation
504,495.12 : 696,220.04 = 300,518.19 : x - Step 2: Convert to fraction form
504,495.12/696,220.04 = 300,518.19/x - Step 3: Cross multiply
504,495.12x = 696,220.04 × 300,518.19 - Step 4: Simplify right side
504,495.12x = 209,226,786,262.53 - Step 5: Solve for x
x = 209,226,786,262.53/504,495.12 - Step 6: Final answer
x = 414,725.09
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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.