Finding the Fourth Proportional to 611,800.49, 844,385.79 and 509,664.17
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Solution
The fourth proportional to 611,800.49, 844,385.79 and 509,664.17 is: 703,420.79
Step by Step Solution
- Step 1: Write the proportion equation
611,800.49 : 844,385.79 = 509,664.17 : x - Step 2: Convert to fraction form
611,800.49/844,385.79 = 509,664.17/x - Step 3: Cross multiply
611,800.49x = 844,385.79 × 509,664.17 - Step 4: Simplify right side
611,800.49x = 430,353,178,598.22 - Step 5: Solve for x
x = 430,353,178,598.22/611,800.49 - Step 6: Final answer
x = 703,420.79
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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.