Finding the Fourth Proportional to 814,722.93, 1,124,452.80 and 475,191.18
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Solution
The fourth proportional to 814,722.93, 1,124,452.80 and 475,191.18 is: 655,842.66
Step by Step Solution
- Step 1: Write the proportion equation
814,722.93 : 1,124,452.80 = 475,191.18 : x - Step 2: Convert to fraction form
814,722.93/1,124,452.80 = 475,191.18/x - Step 3: Cross multiply
814,722.93x = 1,124,452.80 × 475,191.18 - Step 4: Simplify right side
814,722.93x = 534,330,052,886.30 - Step 5: Solve for x
x = 534,330,052,886.30/814,722.93 - Step 6: Final answer
x = 655,842.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.