Finding the Fourth Proportional to 840,838.28, 1,260,646.43 and 335,247.62
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Solution
The fourth proportional to 840,838.28, 1,260,646.43 and 335,247.62 is: 502,627.82
Step by Step Solution
- Step 1: Write the proportion equation
840,838.28 : 1,260,646.43 = 335,247.62 : x - Step 2: Convert to fraction form
840,838.28/1,260,646.43 = 335,247.62/x - Step 3: Cross multiply
840,838.28x = 1,260,646.43 × 335,247.62 - Step 4: Simplify right side
840,838.28x = 422,628,713,642.76 - Step 5: Solve for x
x = 422,628,713,642.76/840,838.28 - Step 6: Final answer
x = 502,627.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.