Finding the Fourth Proportional to 830,481.99, 1,146,035.85 and 467,981.88
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Solution
The fourth proportional to 830,481.99, 1,146,035.85 and 467,981.88 is: 645,798.49
Step by Step Solution
- Step 1: Write the proportion equation
830,481.99 : 1,146,035.85 = 467,981.88 : x - Step 2: Convert to fraction form
830,481.99/1,146,035.85 = 467,981.88/x - Step 3: Cross multiply
830,481.99x = 1,146,035.85 × 467,981.88 - Step 4: Simplify right side
830,481.99x = 536,324,011,630.40 - Step 5: Solve for x
x = 536,324,011,630.40/830,481.99 - Step 6: Final answer
x = 645,798.49
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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.