Finding the Fourth Proportional to 1,430,650.08, 2,146,307.49 and 419,731.20
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Solution
The fourth proportional to 1,430,650.08, 2,146,307.49 and 419,731.20 is: 629,694.31
Step by Step Solution
- Step 1: Write the proportion equation
1,430,650.08 : 2,146,307.49 = 419,731.20 : x - Step 2: Convert to fraction form
1,430,650.08/2,146,307.49 = 419,731.20/x - Step 3: Cross multiply
1,430,650.08x = 2,146,307.49 × 419,731.20 - Step 4: Simplify right side
1,430,650.08x = 900,872,218,346.69 - Step 5: Solve for x
x = 900,872,218,346.69/1,430,650.08 - Step 6: Final answer
x = 629,694.31
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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.