Finding the Fourth Proportional to 851,283.80, 1,276,925.70 and 809,811.80
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Solution
The fourth proportional to 851,283.80, 1,276,925.70 and 809,811.80 is: 1,214,717.70
Step by Step Solution
- Step 1: Write the proportion equation
851,283.80 : 1,276,925.70 = 809,811.80 : x - Step 2: Convert to fraction form
851,283.80/1,276,925.70 = 809,811.80/x - Step 3: Cross multiply
851,283.80x = 1,276,925.70 × 809,811.80 - Step 4: Simplify right side
851,283.80x = 1,034,069,499,583.26 - Step 5: Solve for x
x = 1,034,069,499,583.26/851,283.80 - Step 6: Final answer
x = 1,214,717.70
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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.