Finding the Fourth Proportional to 1,045,038.75, 1,567,181.97 and 361,739.94
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Solution
The fourth proportional to 1,045,038.75, 1,567,181.97 and 361,739.94 is: 542,479.70
Step by Step Solution
- Step 1: Write the proportion equation
1,045,038.75 : 1,567,181.97 = 361,739.94 : x - Step 2: Convert to fraction form
1,045,038.75/1,567,181.97 = 361,739.94/x - Step 3: Cross multiply
1,045,038.75x = 1,567,181.97 × 361,739.94 - Step 4: Simplify right side
1,045,038.75x = 566,912,311,796.88 - Step 5: Solve for x
x = 566,912,311,796.88/1,045,038.75 - Step 6: Final answer
x = 542,479.70
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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.