Finding the Fourth Proportional to 684,638.04, 1,026,657.46 and 324,911.98
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Solution
The fourth proportional to 684,638.04, 1,026,657.46 and 324,911.98 is: 487,225.79
Step by Step Solution
- Step 1: Write the proportion equation
684,638.04 : 1,026,657.46 = 324,911.98 : x - Step 2: Convert to fraction form
684,638.04/1,026,657.46 = 324,911.98/x - Step 3: Cross multiply
684,638.04x = 1,026,657.46 × 324,911.98 - Step 4: Simplify right side
684,638.04x = 333,573,308,110.37 - Step 5: Solve for x
x = 333,573,308,110.37/684,638.04 - Step 6: Final answer
x = 487,225.79
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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.