Finding the Fourth Proportional to 910,748.63, 1,366,188.55 and 349,783.13
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Solution
The fourth proportional to 910,748.63, 1,366,188.55 and 349,783.13 is: 524,699.89
Step by Step Solution
- Step 1: Write the proportion equation
910,748.63 : 1,366,188.55 = 349,783.13 : x - Step 2: Convert to fraction form
910,748.63/1,366,188.55 = 349,783.13/x - Step 3: Cross multiply
910,748.63x = 1,366,188.55 × 349,783.13 - Step 4: Simplify right side
910,748.63x = 477,869,707,189.16 - Step 5: Solve for x
x = 477,869,707,189.16/910,748.63 - Step 6: Final answer
x = 524,699.89
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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.