Finding the Fourth Proportional to 1,008,510.12, 1,391,744.34 and 549,624.84
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Solution
The fourth proportional to 1,008,510.12, 1,391,744.34 and 549,624.84 is: 758,482.48
Step by Step Solution
- Step 1: Write the proportion equation
1,008,510.12 : 1,391,744.34 = 549,624.84 : x - Step 2: Convert to fraction form
1,008,510.12/1,391,744.34 = 549,624.84/x - Step 3: Cross multiply
1,008,510.12x = 1,391,744.34 × 549,624.84 - Step 4: Simplify right side
1,008,510.12x = 764,937,260,193.41 - Step 5: Solve for x
x = 764,937,260,193.41/1,008,510.12 - Step 6: Final answer
x = 758,482.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.