Finding the Fourth Proportional to 668,887.20, 923,352.30 and 410,805.99
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Solution
The fourth proportional to 668,887.20, 923,352.30 and 410,805.99 is: 567,089.12
Step by Step Solution
- Step 1: Write the proportion equation
668,887.20 : 923,352.30 = 410,805.99 : x - Step 2: Convert to fraction form
668,887.20/923,352.30 = 410,805.99/x - Step 3: Cross multiply
668,887.20x = 923,352.30 × 410,805.99 - Step 4: Simplify right side
668,887.20x = 379,318,655,720.28 - Step 5: Solve for x
x = 379,318,655,720.28/668,887.20 - Step 6: Final answer
x = 567,089.12
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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.