Finding the Fourth Proportional to 788,110.26, 1,182,331.44 and 255,589.76
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Solution
The fourth proportional to 788,110.26, 1,182,331.44 and 255,589.76 is: 383,438.49
Step by Step Solution
- Step 1: Write the proportion equation
788,110.26 : 1,182,331.44 = 255,589.76 : x - Step 2: Convert to fraction form
788,110.26/1,182,331.44 = 255,589.76/x - Step 3: Cross multiply
788,110.26x = 1,182,331.44 × 255,589.76 - Step 4: Simplify right side
788,110.26x = 302,191,808,990.05 - Step 5: Solve for x
x = 302,191,808,990.05/788,110.26 - Step 6: Final answer
x = 383,438.49
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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.