Finding the Fourth Proportional to 816,366.30, 1,224,562.05 and 310,955.46
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Solution
The fourth proportional to 816,366.30, 1,224,562.05 and 310,955.46 is: 466,437.99
Step by Step Solution
- Step 1: Write the proportion equation
816,366.30 : 1,224,562.05 = 310,955.46 : x - Step 2: Convert to fraction form
816,366.30/1,224,562.05 = 310,955.46/x - Step 3: Cross multiply
816,366.30x = 1,224,562.05 × 310,955.46 - Step 4: Simplify right side
816,366.30x = 380,784,255,556.29 - Step 5: Solve for x
x = 380,784,255,556.29/816,366.30 - Step 6: Final answer
x = 466,437.99
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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.