Finding the Fourth Proportional to 624,754.92, 861,517.36 and 534,409.96
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Solution
The fourth proportional to 624,754.92, 861,517.36 and 534,409.96 is: 736,934.51
Step by Step Solution
- Step 1: Write the proportion equation
624,754.92 : 861,517.36 = 534,409.96 : x - Step 2: Convert to fraction form
624,754.92/861,517.36 = 534,409.96/x - Step 3: Cross multiply
624,754.92x = 861,517.36 × 534,409.96 - Step 4: Simplify right side
624,754.92x = 460,403,457,896.91 - Step 5: Solve for x
x = 460,403,457,896.91/624,754.92 - Step 6: Final answer
x = 736,934.51
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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.