Finding the Fourth Proportional to 907,992.80, 1,359,364.80 and 881,748.80
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Solution
The fourth proportional to 907,992.80, 1,359,364.80 and 881,748.80 is: 1,320,074.65
Step by Step Solution
- Step 1: Write the proportion equation
907,992.80 : 1,359,364.80 = 881,748.80 : x - Step 2: Convert to fraction form
907,992.80/1,359,364.80 = 881,748.80/x - Step 3: Cross multiply
907,992.80x = 1,359,364.80 × 881,748.80 - Step 4: Simplify right side
907,992.80x = 1,198,618,281,162.24 - Step 5: Solve for x
x = 1,198,618,281,162.24/907,992.80 - Step 6: Final answer
x = 1,320,074.65
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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.