Finding the Fourth Proportional to 1,546.08, 2,319.36 and 520
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Solution
The fourth proportional to 1,546.08, 2,319.36 and 520 is: 780.08
Step by Step Solution
- Step 1: Write the proportion equation
1,546.08 : 2,319.36 = 520 : x - Step 2: Convert to fraction form
1,546.08/2,319.36 = 520/x - Step 3: Cross multiply
1,546.08x = 2,319.36 × 520 - Step 4: Simplify right side
1,546.08x = 1,206,067.20 - Step 5: Solve for x
x = 1,206,067.20/1,546.08 - Step 6: Final answer
x = 780.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.