Finding the Fourth Proportional to 784,620.79, 1,176,756.04 and 363,841.99
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Solution
The fourth proportional to 784,620.79, 1,176,756.04 and 363,841.99 is: 545,681.77
Step by Step Solution
- Step 1: Write the proportion equation
784,620.79 : 1,176,756.04 = 363,841.99 : x - Step 2: Convert to fraction form
784,620.79/1,176,756.04 = 363,841.99/x - Step 3: Cross multiply
784,620.79x = 1,176,756.04 × 363,841.99 - Step 4: Simplify right side
784,620.79x = 428,153,259,338.12 - Step 5: Solve for x
x = 428,153,259,338.12/784,620.79 - Step 6: Final answer
x = 545,681.77
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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.