Finding the Fourth Proportional to 734,520, 1,102,246.08 and 313,799.04
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Solution
The fourth proportional to 734,520, 1,102,246.08 and 313,799.04 is: 470,897.68
Step by Step Solution
- Step 1: Write the proportion equation
734,520 : 1,102,246.08 = 313,799.04 : x - Step 2: Convert to fraction form
734,520/1,102,246.08 = 313,799.04/x - Step 3: Cross multiply
734,520x = 1,102,246.08 × 313,799.04 - Step 4: Simplify right side
734,520x = 345,883,761,747.76 - Step 5: Solve for x
x = 345,883,761,747.76/734,520 - Step 6: Final answer
x = 470,897.68
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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.