Finding the Fourth Proportional to 696,330.93, 1,044,496.41 and 459,618.26
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Solution
The fourth proportional to 696,330.93, 1,044,496.41 and 459,618.26 is: 689,427.39
Step by Step Solution
- Step 1: Write the proportion equation
696,330.93 : 1,044,496.41 = 459,618.26 : x - Step 2: Convert to fraction form
696,330.93/1,044,496.41 = 459,618.26/x - Step 3: Cross multiply
696,330.93x = 1,044,496.41 × 459,618.26 - Step 4: Simplify right side
696,330.93x = 480,069,617,317.97 - Step 5: Solve for x
x = 480,069,617,317.97/696,330.93 - Step 6: Final answer
x = 689,427.39
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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.