Finding the Fourth Proportional to 696,270.21, 961,167.73 and 438,525.96
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Solution
The fourth proportional to 696,270.21, 961,167.73 and 438,525.96 is: 605,364.11
Step by Step Solution
- Step 1: Write the proportion equation
696,270.21 : 961,167.73 = 438,525.96 : x - Step 2: Convert to fraction form
696,270.21/961,167.73 = 438,525.96/x - Step 3: Cross multiply
696,270.21x = 961,167.73 × 438,525.96 - Step 4: Simplify right side
696,270.21x = 421,496,999,326.64 - Step 5: Solve for x
x = 421,496,999,326.64/696,270.21 - Step 6: Final answer
x = 605,364.11
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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.