Finding the Fourth Proportional to 739,776.36, 1,020,891.78 and 513,553.08
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Solution
The fourth proportional to 739,776.36, 1,020,891.78 and 513,553.08 is: 708,703.53
Step by Step Solution
- Step 1: Write the proportion equation
739,776.36 : 1,020,891.78 = 513,553.08 : x - Step 2: Convert to fraction form
739,776.36/1,020,891.78 = 513,553.08/x - Step 3: Cross multiply
739,776.36x = 1,020,891.78 × 513,553.08 - Step 4: Simplify right side
739,776.36x = 524,282,117,965.68 - Step 5: Solve for x
x = 524,282,117,965.68/739,776.36 - Step 6: Final answer
x = 708,703.53
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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.