Finding the Fourth Proportional to 980,465.96, 1,470,783.68 and 270,494.00
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Solution
The fourth proportional to 980,465.96, 1,470,783.68 and 270,494.00 is: 405,764.37
Step by Step Solution
- Step 1: Write the proportion equation
980,465.96 : 1,470,783.68 = 270,494.00 : x - Step 2: Convert to fraction form
980,465.96/1,470,783.68 = 270,494.00/x - Step 3: Cross multiply
980,465.96x = 1,470,783.68 × 270,494.00 - Step 4: Simplify right side
980,465.96x = 397,838,154,060.24 - Step 5: Solve for x
x = 397,838,154,060.24/980,465.96 - Step 6: Final answer
x = 405,764.37
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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.