Finding the Fourth Proportional to 608,394.54, 912,315.01 and 324,012.09
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Solution
The fourth proportional to 608,394.54, 912,315.01 and 324,012.09 is: 485,870.72
Step by Step Solution
- Step 1: Write the proportion equation
608,394.54 : 912,315.01 = 324,012.09 : x - Step 2: Convert to fraction form
608,394.54/912,315.01 = 324,012.09/x - Step 3: Cross multiply
608,394.54x = 912,315.01 × 324,012.09 - Step 4: Simplify right side
608,394.54x = 295,601,092,318.44 - Step 5: Solve for x
x = 295,601,092,318.44/608,394.54 - Step 6: Final answer
x = 485,870.72
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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.