Finding the Fourth Proportional to 492,318.18, 679,560.57 and 298,734.66
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Solution
The fourth proportional to 492,318.18, 679,560.57 and 298,734.66 is: 412,351.82
Step by Step Solution
- Step 1: Write the proportion equation
492,318.18 : 679,560.57 = 298,734.66 : x - Step 2: Convert to fraction form
492,318.18/679,560.57 = 298,734.66/x - Step 3: Cross multiply
492,318.18x = 679,560.57 × 298,734.66 - Step 4: Simplify right side
492,318.18x = 203,008,295,828.36 - Step 5: Solve for x
x = 203,008,295,828.36/492,318.18 - Step 6: Final answer
x = 412,351.82
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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.