Finding the Fourth Proportional to 532,581.44, 734,958.65 and 290,864.08
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Solution
The fourth proportional to 532,581.44, 734,958.65 and 290,864.08 is: 401,390.39
Step by Step Solution
- Step 1: Write the proportion equation
532,581.44 : 734,958.65 = 290,864.08 : x - Step 2: Convert to fraction form
532,581.44/734,958.65 = 290,864.08/x - Step 3: Cross multiply
532,581.44x = 734,958.65 × 290,864.08 - Step 4: Simplify right side
532,581.44x = 213,773,071,570.29 - Step 5: Solve for x
x = 213,773,071,570.29/532,581.44 - Step 6: Final answer
x = 401,390.39
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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.