Finding the Fourth Proportional to 922,964.87, 1,273,691.77 and 509,501.99
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Solution
The fourth proportional to 922,964.87, 1,273,691.77 and 509,501.99 is: 703,112.88
Step by Step Solution
- Step 1: Write the proportion equation
922,964.87 : 1,273,691.77 = 509,501.99 : x - Step 2: Convert to fraction form
922,964.87/1,273,691.77 = 509,501.99/x - Step 3: Cross multiply
922,964.87x = 1,273,691.77 × 509,501.99 - Step 4: Simplify right side
922,964.87x = 648,948,483,819.41 - Step 5: Solve for x
x = 648,948,483,819.41/922,964.87 - Step 6: Final answer
x = 703,112.88
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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.