Finding the Fourth Proportional to 827,328.75, 1,141,652.29 and 464,812.99
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Solution
The fourth proportional to 827,328.75, 1,141,652.29 and 464,812.99 is: 641,407.44
Step by Step Solution
- Step 1: Write the proportion equation
827,328.75 : 1,141,652.29 = 464,812.99 : x - Step 2: Convert to fraction form
827,328.75/1,141,652.29 = 464,812.99/x - Step 3: Cross multiply
827,328.75x = 1,141,652.29 × 464,812.99 - Step 4: Simplify right side
827,328.75x = 530,654,814,455.25 - Step 5: Solve for x
x = 530,654,814,455.25/827,328.75 - Step 6: Final answer
x = 641,407.44
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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.