Finding the Fourth Proportional to 492,599.86, 679,826.31 and 274,876.99
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Solution
The fourth proportional to 492,599.86, 679,826.31 and 274,876.99 is: 379,351.73
Step by Step Solution
- Step 1: Write the proportion equation
492,599.86 : 679,826.31 = 274,876.99 : x - Step 2: Convert to fraction form
492,599.86/679,826.31 = 274,876.99/x - Step 3: Cross multiply
492,599.86x = 679,826.31 × 274,876.99 - Step 4: Simplify right side
492,599.86x = 186,868,606,416.48 - Step 5: Solve for x
x = 186,868,606,416.48/492,599.86 - Step 6: Final answer
x = 379,351.73
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.