Finding the Fourth Proportional to 966,760.38, 1,334,128.63 and 537,080.70
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Solution
The fourth proportional to 966,760.38, 1,334,128.63 and 537,080.70 is: 741,170.98
Step by Step Solution
- Step 1: Write the proportion equation
966,760.38 : 1,334,128.63 = 537,080.70 : x - Step 2: Convert to fraction form
966,760.38/1,334,128.63 = 537,080.70/x - Step 3: Cross multiply
966,760.38x = 1,334,128.63 × 537,080.70 - Step 4: Simplify right side
966,760.38x = 716,534,738,490.44 - Step 5: Solve for x
x = 716,534,738,490.44/966,760.38 - Step 6: Final answer
x = 741,170.98
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1.5x scale
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.