Finding the Fourth Proportional to 802,203.60, 1,201,555.80 and 802,203.60
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Solution
The fourth proportional to 802,203.60, 1,201,555.80 and 802,203.60 is: 1,201,555.80
Step by Step Solution
- Step 1: Write the proportion equation
802,203.60 : 1,201,555.80 = 802,203.60 : x - Step 2: Convert to fraction form
802,203.60/1,201,555.80 = 802,203.60/x - Step 3: Cross multiply
802,203.60x = 1,201,555.80 × 802,203.60 - Step 4: Simplify right side
802,203.60x = 963,892,388,360.88 - Step 5: Solve for x
x = 963,892,388,360.88/802,203.60 - Step 6: Final answer
x = 1,201,555.80
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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.