Finding the Fourth Proportional to 393,881.87, 590,822.82 and 314,624.99
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Solution
The fourth proportional to 393,881.87, 590,822.82 and 314,624.99 is: 471,937.50
Step by Step Solution
- Step 1: Write the proportion equation
393,881.87 : 590,822.82 = 314,624.99 : x - Step 2: Convert to fraction form
393,881.87/590,822.82 = 314,624.99/x - Step 3: Cross multiply
393,881.87x = 590,822.82 × 314,624.99 - Step 4: Simplify right side
393,881.87x = 185,887,620,880.16 - Step 5: Solve for x
x = 185,887,620,880.16/393,881.87 - Step 6: Final answer
x = 471,937.50
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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.