Finding the Fourth Proportional to 740,188.17, 1,109,801.11 and 290,952.99
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Solution
The fourth proportional to 740,188.17, 1,109,801.11 and 290,952.99 is: 436,240.36
Step by Step Solution
- Step 1: Write the proportion equation
740,188.17 : 1,109,801.11 = 290,952.99 : x - Step 2: Convert to fraction form
740,188.17/1,109,801.11 = 290,952.99/x - Step 3: Cross multiply
740,188.17x = 1,109,801.11 × 290,952.99 - Step 4: Simplify right side
740,188.17x = 322,899,951,259.82 - Step 5: Solve for x
x = 322,899,951,259.82/740,188.17 - Step 6: Final answer
x = 436,240.36
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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.