Finding the Fourth Proportional to 1,340,312.88, 2,010,370.80 and 393,757.68
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Solution
The fourth proportional to 1,340,312.88, 2,010,370.80 and 393,757.68 is: 590,607.58
Step by Step Solution
- Step 1: Write the proportion equation
1,340,312.88 : 2,010,370.80 = 393,757.68 : x - Step 2: Convert to fraction form
1,340,312.88/2,010,370.80 = 393,757.68/x - Step 3: Cross multiply
1,340,312.88x = 2,010,370.80 × 393,757.68 - Step 4: Simplify right side
1,340,312.88x = 791,598,942,147.74 - Step 5: Solve for x
x = 791,598,942,147.74/1,340,312.88 - Step 6: Final answer
x = 590,607.58
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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.