Finding the Fourth Proportional to 508,705.92, 702,141.84 and 293,970.96
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Solution
The fourth proportional to 508,705.92, 702,141.84 and 293,970.96 is: 405,753.70
Step by Step Solution
- Step 1: Write the proportion equation
508,705.92 : 702,141.84 = 293,970.96 : x - Step 2: Convert to fraction form
508,705.92/702,141.84 = 293,970.96/x - Step 3: Cross multiply
508,705.92x = 702,141.84 × 293,970.96 - Step 4: Simplify right side
508,705.92x = 206,409,310,760.97 - Step 5: Solve for x
x = 206,409,310,760.97/508,705.92 - Step 6: Final answer
x = 405,753.70
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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.