Finding the Fourth Proportional to 516,974.21, 713,318.79 and 302,072.76
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Solution
The fourth proportional to 516,974.21, 713,318.79 and 302,072.76 is: 416,798.70
Step by Step Solution
- Step 1: Write the proportion equation
516,974.21 : 713,318.79 = 302,072.76 : x - Step 2: Convert to fraction form
516,974.21/713,318.79 = 302,072.76/x - Step 3: Cross multiply
516,974.21x = 713,318.79 × 302,072.76 - Step 4: Simplify right side
516,974.21x = 215,474,175,655.16 - Step 5: Solve for x
x = 215,474,175,655.16/516,974.21 - Step 6: Final answer
x = 416,798.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.