Finding the Fourth Proportional to 586,719.68, 811,153.89 and 433,516.23
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Solution
The fourth proportional to 586,719.68, 811,153.89 and 433,516.23 is: 599,346.49
Step by Step Solution
- Step 1: Write the proportion equation
586,719.68 : 811,153.89 = 433,516.23 : x - Step 2: Convert to fraction form
586,719.68/811,153.89 = 433,516.23/x - Step 3: Cross multiply
586,719.68x = 811,153.89 × 433,516.23 - Step 4: Simplify right side
586,719.68x = 351,648,376,342.64 - Step 5: Solve for x
x = 351,648,376,342.64/586,719.68 - Step 6: Final answer
x = 599,346.49
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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.