Finding the Fourth Proportional to 509,340.05, 763,419.53 and 479,815.55
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Solution
The fourth proportional to 509,340.05, 763,419.53 and 479,815.55 is: 719,167.01
Step by Step Solution
- Step 1: Write the proportion equation
509,340.05 : 763,419.53 = 479,815.55 : x - Step 2: Convert to fraction form
509,340.05/763,419.53 = 479,815.55/x - Step 3: Cross multiply
509,340.05x = 763,419.53 × 479,815.55 - Step 4: Simplify right side
509,340.05x = 366,300,561,912.96 - Step 5: Solve for x
x = 366,300,561,912.96/509,340.05 - Step 6: Final answer
x = 719,167.01
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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.