Finding the Fourth Proportional to 966,789.12, 1,334,528.26 and 830,274.88
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Solution
The fourth proportional to 966,789.12, 1,334,528.26 and 830,274.88 is: 1,146,087.88
Step by Step Solution
- Step 1: Write the proportion equation
966,789.12 : 1,334,528.26 = 830,274.88 : x - Step 2: Convert to fraction form
966,789.12/1,334,528.26 = 830,274.88/x - Step 3: Cross multiply
966,789.12x = 1,334,528.26 × 830,274.88 - Step 4: Simplify right side
966,789.12x = 1,108,025,290,928.11 - Step 5: Solve for x
x = 1,108,025,290,928.11/966,789.12 - Step 6: Final answer
x = 1,146,087.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.