Finding the Fourth Proportional to 529,011.14, 729,541.69 and 407,958.26
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Solution
The fourth proportional to 529,011.14, 729,541.69 and 407,958.26 is: 562,601.68
Step by Step Solution
- Step 1: Write the proportion equation
529,011.14 : 729,541.69 = 407,958.26 : x - Step 2: Convert to fraction form
529,011.14/729,541.69 = 407,958.26/x - Step 3: Cross multiply
529,011.14x = 729,541.69 × 407,958.26 - Step 4: Simplify right side
529,011.14x = 297,622,553,782.26 - Step 5: Solve for x
x = 297,622,553,782.26/529,011.14 - Step 6: Final answer
x = 562,601.68
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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.