Finding the Fourth Proportional to 684,440.20, 1,026,835.26 and 263,603.08
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Solution
The fourth proportional to 684,440.20, 1,026,835.26 and 263,603.08 is: 395,472.00
Step by Step Solution
- Step 1: Write the proportion equation
684,440.20 : 1,026,835.26 = 263,603.08 : x - Step 2: Convert to fraction form
684,440.20/1,026,835.26 = 263,603.08/x - Step 3: Cross multiply
684,440.20x = 1,026,835.26 × 263,603.08 - Step 4: Simplify right side
684,440.20x = 270,676,937,188.60 - Step 5: Solve for x
x = 270,676,937,188.60/684,440.20 - Step 6: Final answer
x = 395,472.00
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1.5x scale
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.