Finding the Fourth Proportional to 719,452.61, 1,079,285.53 and 239,523.66
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Solution
The fourth proportional to 719,452.61, 1,079,285.53 and 239,523.66 is: 359,320.99
Step by Step Solution
- Step 1: Write the proportion equation
719,452.61 : 1,079,285.53 = 239,523.66 : x - Step 2: Convert to fraction form
719,452.61/1,079,285.53 = 239,523.66/x - Step 3: Cross multiply
719,452.61x = 1,079,285.53 × 239,523.66 - Step 4: Simplify right side
719,452.61x = 258,514,419,731.83 - Step 5: Solve for x
x = 258,514,419,731.83/719,452.61 - Step 6: Final answer
x = 359,320.99
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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.