Finding the Fourth Proportional to 754,786, 1,041,604.68 and 415,246.96
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Solution
The fourth proportional to 754,786, 1,041,604.68 and 415,246.96 is: 573,040.80
Step by Step Solution
- Step 1: Write the proportion equation
754,786 : 1,041,604.68 = 415,246.96 : x - Step 2: Convert to fraction form
754,786/1,041,604.68 = 415,246.96/x - Step 3: Cross multiply
754,786x = 1,041,604.68 × 415,246.96 - Step 4: Simplify right side
754,786x = 432,523,176,891.77 - Step 5: Solve for x
x = 432,523,176,891.77/754,786 - Step 6: Final answer
x = 573,040.80
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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.