Finding the Fourth Proportional to 729,865.68, 1,094,857.08 and 256,657.20
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Solution
The fourth proportional to 729,865.68, 1,094,857.08 and 256,657.20 is: 385,006.39
Step by Step Solution
- Step 1: Write the proportion equation
729,865.68 : 1,094,857.08 = 256,657.20 : x - Step 2: Convert to fraction form
729,865.68/1,094,857.08 = 256,657.20/x - Step 3: Cross multiply
729,865.68x = 1,094,857.08 × 256,657.20 - Step 4: Simplify right side
729,865.68x = 281,002,952,552.98 - Step 5: Solve for x
x = 281,002,952,552.98/729,865.68 - Step 6: Final answer
x = 385,006.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.