Finding the Fourth Proportional to 696,376.26, 961,418.64 and 455,062.68
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Solution
The fourth proportional to 696,376.26, 961,418.64 and 455,062.68 is: 628,260.57
Step by Step Solution
- Step 1: Write the proportion equation
696,376.26 : 961,418.64 = 455,062.68 : x - Step 2: Convert to fraction form
696,376.26/961,418.64 = 455,062.68/x - Step 3: Cross multiply
696,376.26x = 961,418.64 × 455,062.68 - Step 4: Simplify right side
696,376.26x = 437,505,742,920.36 - Step 5: Solve for x
x = 437,505,742,920.36/696,376.26 - Step 6: Final answer
x = 628,260.57
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.