Finding the Fourth Proportional to 814,656.26, 1,221,623.54 and 435,485.14
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Solution
The fourth proportional to 814,656.26, 1,221,623.54 and 435,485.14 is: 653,034.81
Step by Step Solution
- Step 1: Write the proportion equation
814,656.26 : 1,221,623.54 = 435,485.14 : x - Step 2: Convert to fraction form
814,656.26/1,221,623.54 = 435,485.14/x - Step 3: Cross multiply
814,656.26x = 1,221,623.54 × 435,485.14 - Step 4: Simplify right side
814,656.26x = 531,998,898,344.20 - Step 5: Solve for x
x = 531,998,898,344.20/814,656.26 - Step 6: Final answer
x = 653,034.81
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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.