Finding the Fourth Proportional to 459,056.70, 643,343.68 and 459,056.70
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Solution
The fourth proportional to 459,056.70, 643,343.68 and 459,056.70 is: 643,343.68
Step by Step Solution
- Step 1: Write the proportion equation
459,056.70 : 643,343.68 = 459,056.70 : x - Step 2: Convert to fraction form
459,056.70/643,343.68 = 459,056.70/x - Step 3: Cross multiply
459,056.70x = 643,343.68 × 459,056.70 - Step 4: Simplify right side
459,056.70x = 295,331,227,280.48 - Step 5: Solve for x
x = 295,331,227,280.48/459,056.70 - Step 6: Final answer
x = 643,343.68
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.