Finding the Fourth Proportional to 960,472.12, 1,325,531.34 and 530,836.12
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Solution
The fourth proportional to 960,472.12, 1,325,531.34 and 530,836.12 is: 732,597.96
Step by Step Solution
- Step 1: Write the proportion equation
960,472.12 : 1,325,531.34 = 530,836.12 : x - Step 2: Convert to fraction form
960,472.12/1,325,531.34 = 530,836.12/x - Step 3: Cross multiply
960,472.12x = 1,325,531.34 × 530,836.12 - Step 4: Simplify right side
960,472.12x = 703,639,913,464.00 - Step 5: Solve for x
x = 703,639,913,464.00/960,472.12 - Step 6: Final answer
x = 732,597.96
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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.