Finding the Fourth Proportional to 879,343.96, 1,318,572.42 and 626,479.96
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Solution
The fourth proportional to 879,343.96, 1,318,572.42 and 626,479.96 is: 939,403.96
Step by Step Solution
- Step 1: Write the proportion equation
879,343.96 : 1,318,572.42 = 626,479.96 : x - Step 2: Convert to fraction form
879,343.96/1,318,572.42 = 626,479.96/x - Step 3: Cross multiply
879,343.96x = 1,318,572.42 × 626,479.96 - Step 4: Simplify right side
879,343.96x = 826,059,196,938.70 - Step 5: Solve for x
x = 826,059,196,938.70/879,343.96 - Step 6: Final answer
x = 939,403.96
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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.