Finding the Fourth Proportional to 738,985.74, 1,019,713.64 and 416,676.62
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Solution
The fourth proportional to 738,985.74, 1,019,713.64 and 416,676.62 is: 574,964.86
Step by Step Solution
- Step 1: Write the proportion equation
738,985.74 : 1,019,713.64 = 416,676.62 : x - Step 2: Convert to fraction form
738,985.74/1,019,713.64 = 416,676.62/x - Step 3: Cross multiply
738,985.74x = 1,019,713.64 × 416,676.62 - Step 4: Simplify right side
738,985.74x = 424,890,832,883.10 - Step 5: Solve for x
x = 424,890,832,883.10/738,985.74 - Step 6: Final answer
x = 574,964.86
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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.