Finding the Fourth Proportional to 740,186.17, 1,109,798.11 and 290,950.99
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Solution
The fourth proportional to 740,186.17, 1,109,798.11 and 290,950.99 is: 436,237.36
Step by Step Solution
- Step 1: Write the proportion equation
740,186.17 : 1,109,798.11 = 290,950.99 : x - Step 2: Convert to fraction form
740,186.17/1,109,798.11 = 290,950.99/x - Step 3: Cross multiply
740,186.17x = 1,109,798.11 × 290,950.99 - Step 4: Simplify right side
740,186.17x = 322,896,856,393.82 - Step 5: Solve for x
x = 322,896,856,393.82/740,186.17 - Step 6: Final answer
x = 436,237.36
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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.