Finding the Fourth Proportional to 806,663.84, 1,209,996.12 and 332,828.40
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Solution
The fourth proportional to 806,663.84, 1,209,996.12 and 332,828.40 is: 499,242.75
Step by Step Solution
- Step 1: Write the proportion equation
806,663.84 : 1,209,996.12 = 332,828.40 : x - Step 2: Convert to fraction form
806,663.84/1,209,996.12 = 332,828.40/x - Step 3: Cross multiply
806,663.84x = 1,209,996.12 × 332,828.40 - Step 4: Simplify right side
806,663.84x = 402,721,072,625.81 - Step 5: Solve for x
x = 402,721,072,625.81/806,663.84 - Step 6: Final answer
x = 499,242.75
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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.