Finding the Fourth Proportional to 642,272.29, 884,313.59 and 545,284.31
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Solution
The fourth proportional to 642,272.29, 884,313.59 and 545,284.31 is: 750,775.53
Step by Step Solution
- Step 1: Write the proportion equation
642,272.29 : 884,313.59 = 545,284.31 : x - Step 2: Convert to fraction form
642,272.29/884,313.59 = 545,284.31/x - Step 3: Cross multiply
642,272.29x = 884,313.59 × 545,284.31 - Step 4: Simplify right side
642,272.29x = 482,202,318,598.78 - Step 5: Solve for x
x = 482,202,318,598.78/642,272.29 - Step 6: Final answer
x = 750,775.53
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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.