Finding the Fourth Proportional to 822,966.28, 1,234,497.57 and 317,529.94
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Solution
The fourth proportional to 822,966.28, 1,234,497.57 and 317,529.94 is: 476,313.49
Step by Step Solution
- Step 1: Write the proportion equation
822,966.28 : 1,234,497.57 = 317,529.94 : x - Step 2: Convert to fraction form
822,966.28/1,234,497.57 = 317,529.94/x - Step 3: Cross multiply
822,966.28x = 1,234,497.57 × 317,529.94 - Step 4: Simplify right side
822,966.28x = 391,989,939,332.25 - Step 5: Solve for x
x = 391,989,939,332.25/822,966.28 - Step 6: Final answer
x = 476,313.49
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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.