Finding the Fourth Proportional to 827,448.30, 1,141,808.67 and 464,843.70
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Solution
The fourth proportional to 827,448.30, 1,141,808.67 and 464,843.70 is: 641,444.99
Step by Step Solution
- Step 1: Write the proportion equation
827,448.30 : 1,141,808.67 = 464,843.70 : x - Step 2: Convert to fraction form
827,448.30/1,141,808.67 = 464,843.70/x - Step 3: Cross multiply
827,448.30x = 1,141,808.67 × 464,843.70 - Step 4: Simplify right side
827,448.30x = 530,762,566,854.88 - Step 5: Solve for x
x = 530,762,566,854.88/827,448.30 - Step 6: Final answer
x = 641,444.99
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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.