Finding the Fourth Proportional to 784,059.11, 1,176,151.53 and 297,974.12
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Solution
The fourth proportional to 784,059.11, 1,176,151.53 and 297,974.12 is: 446,985.06
Step by Step Solution
- Step 1: Write the proportion equation
784,059.11 : 1,176,151.53 = 297,974.12 : x - Step 2: Convert to fraction form
784,059.11/1,176,151.53 = 297,974.12/x - Step 3: Cross multiply
784,059.11x = 1,176,151.53 × 297,974.12 - Step 4: Simplify right side
784,059.11x = 350,462,709,767.78 - Step 5: Solve for x
x = 350,462,709,767.78/784,059.11 - Step 6: Final answer
x = 446,985.06
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.