Finding the Fourth Proportional to 508,706.64, 702,203.64 and 436,797.84
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Solution
The fourth proportional to 508,706.64, 702,203.64 and 436,797.84 is: 602,942.85
Step by Step Solution
- Step 1: Write the proportion equation
508,706.64 : 702,203.64 = 436,797.84 : x - Step 2: Convert to fraction form
508,706.64/702,203.64 = 436,797.84/x - Step 3: Cross multiply
508,706.64x = 702,203.64 × 436,797.84 - Step 4: Simplify right side
508,706.64x = 306,721,033,192.14 - Step 5: Solve for x
x = 306,721,033,192.14/508,706.64 - Step 6: Final answer
x = 602,942.85
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1.5x scale
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.