Finding the Fourth Proportional to 589,540.19, 812,987.49 and 374,306.58
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Solution
The fourth proportional to 589,540.19, 812,987.49 and 374,306.58 is: 516,176.12
Step by Step Solution
- Step 1: Write the proportion equation
589,540.19 : 812,987.49 = 374,306.58 : x - Step 2: Convert to fraction form
589,540.19/812,987.49 = 374,306.58/x - Step 3: Cross multiply
589,540.19x = 812,987.49 × 374,306.58 - Step 4: Simplify right side
589,540.19x = 304,306,566,964.68 - Step 5: Solve for x
x = 304,306,566,964.68/589,540.19 - Step 6: Final answer
x = 516,176.12
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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.