Finding the Fourth Proportional to 1,473,204, 2,209,799.70 and 408,243
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Solution
The fourth proportional to 1,473,204, 2,209,799.70 and 408,243 is: 612,362.75
Step by Step Solution
- Step 1: Write the proportion equation
1,473,204 : 2,209,799.70 = 408,243 : x - Step 2: Convert to fraction form
1,473,204/2,209,799.70 = 408,243/x - Step 3: Cross multiply
1,473,204x = 2,209,799.70 × 408,243 - Step 4: Simplify right side
1,473,204x = 902,135,258,927.10 - Step 5: Solve for x
x = 902,135,258,927.10/1,473,204 - Step 6: Final answer
x = 612,362.75
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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.