Finding the Fourth Proportional to 909,988.08, 1,365,244.44 and 278,994.96
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Solution
The fourth proportional to 909,988.08, 1,365,244.44 and 278,994.96 is: 418,572.87
Step by Step Solution
- Step 1: Write the proportion equation
909,988.08 : 1,365,244.44 = 278,994.96 : x - Step 2: Convert to fraction form
909,988.08/1,365,244.44 = 278,994.96/x - Step 3: Cross multiply
909,988.08x = 1,365,244.44 × 278,994.96 - Step 4: Simplify right side
909,988.08x = 380,896,317,928.02 - Step 5: Solve for x
x = 380,896,317,928.02/909,988.08 - Step 6: Final answer
x = 418,572.87
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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.