Finding the Fourth Proportional to 715,553.04, 987,474.72 and 409,628.19
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Solution
The fourth proportional to 715,553.04, 987,474.72 and 409,628.19 is: 565,293.50
Step by Step Solution
- Step 1: Write the proportion equation
715,553.04 : 987,474.72 = 409,628.19 : x - Step 2: Convert to fraction form
715,553.04/987,474.72 = 409,628.19/x - Step 3: Cross multiply
715,553.04x = 987,474.72 × 409,628.19 - Step 4: Simplify right side
715,553.04x = 404,497,482,224.36 - Step 5: Solve for x
x = 404,497,482,224.36/715,553.04 - Step 6: Final answer
x = 565,293.50
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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.