Finding the Fourth Proportional to 816,000.19, 1,224,207.92 and 479,325.58
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Solution
The fourth proportional to 816,000.19, 1,224,207.92 and 479,325.58 is: 719,110.33
Step by Step Solution
- Step 1: Write the proportion equation
816,000.19 : 1,224,207.92 = 479,325.58 : x - Step 2: Convert to fraction form
816,000.19/1,224,207.92 = 479,325.58/x - Step 3: Cross multiply
816,000.19x = 1,224,207.92 × 479,325.58 - Step 4: Simplify right side
816,000.19x = 586,794,168,897.97 - Step 5: Solve for x
x = 586,794,168,897.97/816,000.19 - Step 6: Final answer
x = 719,110.33
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1.5x scale
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.