Finding the Fourth Proportional to 755,620.05, 1,133,430.08 and 657,205.05
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Solution
The fourth proportional to 755,620.05, 1,133,430.08 and 657,205.05 is: 985,807.58
Step by Step Solution
- Step 1: Write the proportion equation
755,620.05 : 1,133,430.08 = 657,205.05 : x - Step 2: Convert to fraction form
755,620.05/1,133,430.08 = 657,205.05/x - Step 3: Cross multiply
755,620.05x = 1,133,430.08 × 657,205.05 - Step 4: Simplify right side
755,620.05x = 744,895,969,111.88 - Step 5: Solve for x
x = 744,895,969,111.88/755,620.05 - Step 6: Final answer
x = 985,807.58
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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.