Finding the Fourth Proportional to 1,306,367.43, 1,959,560.87 and 359,790.09
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Solution
The fourth proportional to 1,306,367.43, 1,959,560.87 and 359,790.09 is: 539,687.81
Step by Step Solution
- Step 1: Write the proportion equation
1,306,367.43 : 1,959,560.87 = 359,790.09 : x - Step 2: Convert to fraction form
1,306,367.43/1,959,560.87 = 359,790.09/x - Step 3: Cross multiply
1,306,367.43x = 1,959,560.87 × 359,790.09 - Step 4: Simplify right side
1,306,367.43x = 705,030,579,978.83 - Step 5: Solve for x
x = 705,030,579,978.83/1,306,367.43 - Step 6: Final answer
x = 539,687.81
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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.