Finding the Fourth Proportional to 665,897.08, 998,993.58 and 310,717.36
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Solution
The fourth proportional to 665,897.08, 998,993.58 and 310,717.36 is: 466,145.08
Step by Step Solution
- Step 1: Write the proportion equation
665,897.08 : 998,993.58 = 310,717.36 : x - Step 2: Convert to fraction form
665,897.08/998,993.58 = 310,717.36/x - Step 3: Cross multiply
665,897.08x = 998,993.58 × 310,717.36 - Step 4: Simplify right side
665,897.08x = 310,404,647,834.55 - Step 5: Solve for x
x = 310,404,647,834.55/665,897.08 - Step 6: Final answer
x = 466,145.08
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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.