Finding the Fourth Proportional to 659,079.28, 988,263.18 and 299,053.66
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Solution
The fourth proportional to 659,079.28, 988,263.18 and 299,053.66 is: 448,419.07
Step by Step Solution
- Step 1: Write the proportion equation
659,079.28 : 988,263.18 = 299,053.66 : x - Step 2: Convert to fraction form
659,079.28/988,263.18 = 299,053.66/x - Step 3: Cross multiply
659,079.28x = 988,263.18 × 299,053.66 - Step 4: Simplify right side
659,079.28x = 295,543,721,022.24 - Step 5: Solve for x
x = 295,543,721,022.24/659,079.28 - Step 6: Final answer
x = 448,419.07
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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.