Finding the Fourth Proportional to 909,931.84, 1,365,097.44 and 278,893.12
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Solution
The fourth proportional to 909,931.84, 1,365,097.44 and 278,893.12 is: 418,400.88
Step by Step Solution
- Step 1: Write the proportion equation
909,931.84 : 1,365,097.44 = 278,893.12 : x - Step 2: Convert to fraction form
909,931.84/1,365,097.44 = 278,893.12/x - Step 3: Cross multiply
909,931.84x = 1,365,097.44 × 278,893.12 - Step 4: Simplify right side
909,931.84x = 380,716,284,145.61 - Step 5: Solve for x
x = 380,716,284,145.61/909,931.84 - Step 6: Final answer
x = 418,400.88
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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.