Finding the Fourth Proportional to 953,116.26, 1,315,304.09 and 517,534.30
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Solution
The fourth proportional to 953,116.26, 1,315,304.09 and 517,534.30 is: 714,199.32
Step by Step Solution
- Step 1: Write the proportion equation
953,116.26 : 1,315,304.09 = 517,534.30 : x - Step 2: Convert to fraction form
953,116.26/1,315,304.09 = 517,534.30/x - Step 3: Cross multiply
953,116.26x = 1,315,304.09 × 517,534.30 - Step 4: Simplify right side
953,116.26x = 680,714,981,505.29 - Step 5: Solve for x
x = 680,714,981,505.29/953,116.26 - Step 6: Final answer
x = 714,199.32
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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.