Finding the Fourth Proportional to 887,684.79, 1,331,049.69 and 460,160.81
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Solution
The fourth proportional to 887,684.79, 1,331,049.69 and 460,160.81 is: 689,993.68
Step by Step Solution
- Step 1: Write the proportion equation
887,684.79 : 1,331,049.69 = 460,160.81 : x - Step 2: Convert to fraction form
887,684.79/1,331,049.69 = 460,160.81/x - Step 3: Cross multiply
887,684.79x = 1,331,049.69 × 460,160.81 - Step 4: Simplify right side
887,684.79x = 612,496,896,845.40 - Step 5: Solve for x
x = 612,496,896,845.40/887,684.79 - Step 6: Final answer
x = 689,993.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.