Finding the Fourth Proportional to 807,923.56, 1,114,472.10 and 505,592.68
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Solution
The fourth proportional to 807,923.56, 1,114,472.10 and 505,592.68 is: 697,428.52
Step by Step Solution
- Step 1: Write the proportion equation
807,923.56 : 1,114,472.10 = 505,592.68 : x - Step 2: Convert to fraction form
807,923.56/1,114,472.10 = 505,592.68/x - Step 3: Cross multiply
807,923.56x = 1,114,472.10 × 505,592.68 - Step 4: Simplify right side
807,923.56x = 563,468,935,824.23 - Step 5: Solve for x
x = 563,468,935,824.23/807,923.56 - Step 6: Final answer
x = 697,428.52
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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.