Finding the Fourth Proportional to 730,867.68, 1,008,611.46 and 408,601.08
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Solution
The fourth proportional to 730,867.68, 1,008,611.46 and 408,601.08 is: 563,877.35
Step by Step Solution
- Step 1: Write the proportion equation
730,867.68 : 1,008,611.46 = 408,601.08 : x - Step 2: Convert to fraction form
730,867.68/1,008,611.46 = 408,601.08/x - Step 3: Cross multiply
730,867.68x = 1,008,611.46 × 408,601.08 - Step 4: Simplify right side
730,867.68x = 412,119,731,856.38 - Step 5: Solve for x
x = 412,119,731,856.38/730,867.68 - Step 6: Final answer
x = 563,877.35
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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.