Finding the Fourth Proportional to 507,069.44, 699,010.24 and 385,999.68
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Solution
The fourth proportional to 507,069.44, 699,010.24 and 385,999.68 is: 532,111.99
Step by Step Solution
- Step 1: Write the proportion equation
507,069.44 : 699,010.24 = 385,999.68 : x - Step 2: Convert to fraction form
507,069.44/699,010.24 = 385,999.68/x - Step 3: Cross multiply
507,069.44x = 699,010.24 × 385,999.68 - Step 4: Simplify right side
507,069.44x = 269,817,728,956.72 - Step 5: Solve for x
x = 269,817,728,956.72/507,069.44 - Step 6: Final answer
x = 532,111.99
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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.