Finding the Fourth Proportional to 611,710.08, 844,234.56 and 385,351.68
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Solution
The fourth proportional to 611,710.08, 844,234.56 and 385,351.68 is: 531,832.34
Step by Step Solution
- Step 1: Write the proportion equation
611,710.08 : 844,234.56 = 385,351.68 : x - Step 2: Convert to fraction form
611,710.08/844,234.56 = 385,351.68/x - Step 3: Cross multiply
611,710.08x = 844,234.56 × 385,351.68 - Step 4: Simplify right side
611,710.08x = 325,327,206,010.06 - Step 5: Solve for x
x = 325,327,206,010.06/611,710.08 - Step 6: Final answer
x = 531,832.34
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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.