Finding the Fourth Proportional to 740,758.49, 1,111,129.63 and 179,792.99
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Solution
The fourth proportional to 740,758.49, 1,111,129.63 and 179,792.99 is: 269,687.52
Step by Step Solution
- Step 1: Write the proportion equation
740,758.49 : 1,111,129.63 = 179,792.99 : x - Step 2: Convert to fraction form
740,758.49/1,111,129.63 = 179,792.99/x - Step 3: Cross multiply
740,758.49x = 1,111,129.63 × 179,792.99 - Step 4: Simplify right side
740,758.49x = 199,773,317,628.24 - Step 5: Solve for x
x = 199,773,317,628.24/740,758.49 - Step 6: Final answer
x = 269,687.52
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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.